PROPOSAL NO: 97-3R

DATE: May 1, 1997
REVISED:

NAME: Redefinition of code "m" (Computer file) in Leader/06 in the USMARC Bibliographic Format

SOURCE: Library of Congress

SUMMARY: This paper proposes the redefinition of Leader/06 code m (Computer file) to specific kinds of electronic resources, including computer software, alphanumeric data, games, computer-oriented multimedia, online systems and services, etc. Other types of electronic resources would be coded for their significant aspect. It proposes that field 007 be added as a mandatory element for electronic resources.

KEYWORDS: Leader/06 (Bibliographic); Type of record; Computer files; Field 007 (Bibliographic/Holdings); Physical Description Fixed Field

RELATED: 97-3 (February 1997); DP97 (July 1996); DP92 (January 1996); 95-9 (June 1995)

STATUS/COMMENTS:

12/15/96 - Forwarded to USMARC Advisory Group for discussion at the 1997 Midwinter MARBI meetings.

2/20/97 - Results of USMARC Advisory Group discussion - Deferred.

Some participants felt that the proposal was not well enough developed to move forward with. LC should come back with another proposal that address OCLC concerns: 1) that the choice in Leader/06 should be clear 2) that guidelines need to be consistently applied from one environment to the next, and 3) that there be somewhere in the record to determine whether the record describes an electronic or nonelectronic version. The latter requirement needs to be in a mandatory field, not optional field such as 006 or 007. LC should come back with another proposal for the summer meeting that reflect these concerns and that include examples for all types of materials.

2/26/97 - Results of final LC review - Agreed with the MARBI decision.

5/1/97 - Revised. Forwarded to the USMARC Advisory Group for discussion at the June 1997 MARBI meetings.

6/29/97 - Results of USMARC Advisory Group discussion - Approved as amended. The following changes were made:

It was recommended that LC look at the values in CF 008/26 (Type of computer file) and determine whether any should be made obsolete as a result of this proposal. If so, proposals should be brought forward.

It was also suggested that LC formulate a priority list of codes to be used in determining the significant aspect to help ensure consistency in application. This document should be posted on the USMARC list for comments. LC should come back with a proposal to change the name of the Books 008 to "Text". Similar issues will arise with the expected proposal from the Manuscripts community to deal with the Leader/06 manuscript codes.

8/21/97 - Result of final LC review - Agreed with MARBI decision.


PROPOSAL NO. 97-3R: Redefinition of code "m" (Computer file) in Leader/06

1.      BACKGROUND
The coding in Leader/06 for computer files was discussed on four
previous occasions at meetings of the USMARC Advisory Group.  The
impetus for a possible change included the following:
        - It has become questionable whether categorizing all
        electronic material as a computer file is useful for retrieval
        and manipulation of bibliographic records, since it separates
        the record for the original from the digitized version.  Many
        institutions are digitizing their collections and making them
        available electronically.
        -  Because of economic considerations, many electronic items
        are not being separately cataloged, but information about the
        electronic item is being added to the record for the original. 
         
        - Since the implementation of Format Integration, field 006
        (Fixed-Length Data Elements--Additional Material
        Characteristics) allows for coding bibliographic records for
        more than one set of characteristics, opening up the
        opportunity to supply more information about the item if it
        falls into more than one category of material.
Proposal No. 95-9 (Encoding of Digital Maps in the USMARC
Bibliographic Format) first brought up this issue.  It proposed
renaming code "e" in Leader/06 from "Printed map" to "Cartographic
material" so that all maps, whether digital or print, could be
coded the same (there is also a code for "manuscript map") and
adding a code to Maps 008/25 (Type of cartographic material) for
digital.  Although the portion of the proposal concerning Leader/06
was approved, it was suggested that a broader discussion paper be
presented.
Two discussion papers (Discussion Paper No. 92: Change in
Definition of Computer File in Leader/06 and Discussion Paper No.
97: Coding Digital Items in Leader/06) were presented to the USMARC
Advisory Group in January 1996 and July 1996.  Both explored
limiting the definition of code "m" in Leader/06 so that it is used
only for executable software or for executable software, numeric
data, and combinations of forms, one of which is electronic.  There
was general agreement that it would better serve users to change
the definition of code m so that one does not have to code
everything electronic as a computer file.  
Proposal No. 97-3 was discussed in February 1997 at the USMARC
Advisory Group meetings.  It further explored the redefinition of
code "m" in Leader/06 and proposed three options. The first
suggested redefining the code to include software, numeric data,
and a mixture of forms; the second suggested changing code m to
include only executable software and changing the definition of
code p (Mixed material) to open it up so that it is used for a
mixture of forms, i.e., not restricted to archival material; the
third suggested the latter but included numeric data in the
definition of code m.  OCLC voiced specific concerns about the
proposal, and participants agreed that a future proposal needs to
address these: 1) that the choice of which Leader/06 code to use
must be clear regardless of which AACR2 chapter is being used for
cataloging; 2) that guidelines also be clear so that codes can be
consistently applied from one environment to another; and, 3)  that
something explicit is in the record (and not in an optional field)
to indicate that it describes an electronic item.

2.      LEADER/06 DEFINITION
The definition of m in Leader/06 is the key to helping catalogers
selet the appropriate Leader/06 code and consistently apply codes
from one environment to another.  Earlier discussions detailed the
many uses systems make of the Leader/06.  Some of these are:
separating databases based on form of material; sorting records;
matching records for duplicate detection; selecting subsets for
products distributed.  Because of the many uses of this coded
element, the coding of Leader/06 has great impact on retrieval and
manipulation of the record, so the use of the codes need to be
consistent and predictable.  Field 006 can give the additional
descriptive information for the secondary form of material,
although not all systems are currently using it for retrieval the
same way as 008 is used.  Since 006 is an optional field, OCLC did
not think it was desirable to rely on it to express the fact that
an item is electronic if coding for the significant aspect of the
material in Leader/06.
The current definition of Leader/06 in the _USMARC Format for
Bibliographic Data_, code "m" for Computer file is:
        m - Computer file
        Code m indicates that the content of the record is for a body
        of information encoded in a manner which allows it to be
        processed by a computer.  The information in the computer file
        may be numeric or textual data, computer software, or a
        combination of these types.  Although a file may be stored on
        a variety of media (such as magnetic tape or disk, punched
        cards, or optical character recognition font documents), the
        file itself is independent of the medium on which it is
        stored. 
This definition implies that any electronic item needs to be
identified in the Leader/06 as a Computer file and that a separate
record would need to be made for a electronic reproduction, since
the record for the original would be coded according to the
original carrier/content.  In previous discussions there has been
support for opening up this definition so that the institution is
not mandated to categorize all electronic items as computer files,
allowing for more flexibility.
In order to allow for electronic items to be coded for their
significant aspect (e.g., photograph, video, text, etc.), rather
than for the fact they are electronic, the following definition is
proposed:
        m - Computer file
        Code m indicates that the content of the record is for the
        following classes of electronic resources:  computer software
        (including programs, games, fonts), alphanumeric data, 
        computer-oriented multimedia, online systems or services, etc. 
        For these classes of materials, if there is a significant
        aspect that causes it to fall into another Leader/06 category,
        code for that significant aspect (e.g. vector data that is
        cartographic is not coded as numeric but as cartographic). 
        Other classes of electronic resources are coded for their most
        significant aspect  (e.g. language material, graphic,
        cartographic material, sound, music, moving image).  In case
        of doubt or if the most significant aspect cannot be
        determined, consider the item computer file. 
This definition enumerates the types of computer files that would
be coded under code "m".  As new electronic forms emerge, the
definition may need to be modified.  In addition, it gives guidance
on how to code it in cases of doubt.  This satisfies the
requirements that the definition be clear so that the person
creating the record could determine which code to use and that it
be consistently applied in different environments.  
By moving the electronic aspects from Leader/06, the format issues
can be divorced from the cataloging rules.  Since field 006 can
give characteristics of a second form of material, the choice of
code in Leader/06 is not dependent upon the choice of AACR2 chapter
used.  The cataloger still needs to choose which chapter of AACR2
is appropriate for description, which will determine, among other
things, which fields are needed in the record.  The cataloger is no
longer constrained by the format, since any USMARC defined fields
will be valid for any type of material as a result of Format
Integration.

3.      ADDITION OF FIELD 007 FOR COMPUTER FILES
Field 007 is proposed below as the "best" place to clearly identify
the electronic nature of items not codes as computer file in
Leader/06.  The previous discussion of allowing records for
electronic items to be coded for their significant aspect rather
than as computer files indicated the need for an explicit
indication that the item is electronic.  The addition of a new
value for electronic in Field 008/23 Form of item in Books, Music,
Serials, and Mixed Materials and the addition of a new 008
character position for Form of item in Maps and Visual Materials
was considered.  However, this solution results in numerous
possible places in the record to look for information about the
electronic aspect.  Consequently field 007 seems a more desirable
alternative to unambiguously show that the item is electronic, and
it is proposed that this field be required for electronic items
(coding at least the first two character positions with fills for
the rest if desired).  See Attachment B for information about using
008 to indicate that an item is electronic.
Field 007 for computer files includes the following:
        Computer file (007/00 = c)
        00      Category of material
        01      Specific material designation
        02      Undefined (formerly Original versus reproduction aspect)
        03      Color
        04      Dimensions
        05      Sound
The use of this field in all cases for electronic resources would
clearly indicate that the physical form of the item described in
the record is electronic.  
In the USMARC Bibliographic Format, Field 007 was mandatory if
applicable according to national level requirements until 1990,
when it was made optional after the definition of an 007 for text
(Proposal No. 89-8-6).  It has been mandatory if applicable in the
Canadian MARC format.  The Association of Research Libraries'
_Guidelines for bibliographic records for preservation microform
masters_ (1990) requires field 007 for microforms, and the current
specification on the core record for serials  in the _CONSER
Editing Guide_ stipulates that 007 is mandatory for microform and
computer file serials.  The similarities in treatment between
microforms and electronic material has been noted in previous
discussions of this issue.
In cases where the record for the original is used and an 856 field
added to point to the electronic version of the item, field 007
could also be added.  In this case, the 856 second indicator would
be coded as value 1 (online version of resource).  (The 856 second
indicator was added in February 1997 as Relationship to source in
Proposal No. 97-1.)  The indicator value and the use of field 007
would clearly indicate that the record also covers the electronic
counterpart of the work described.

4.      USE OF FIELD 006 
Additional information about the computer file aspects may be added
if there is a characteristic that is coded in the computer files
008 that needs to be brought out.  This may be used by systems for
limiting or sorting records.  The 008 character positions specific
to computer files (and consequently their 006) contains three
defined elements: target audience (CF008/22, also defined in Books,
Music, and Visual Materials); type of computer file (CF008/26); and
government publication (CF008/28; also defined in Books, Maps,
Serials, and Visual materials).  Generally only the type of
computer file would be useful, and in many cases it would be
redundant with the value in Leader/06.  For example, if the record
were for text and coded "a" in Leader/06, adding "d" for document
in 006/09 (the same as 008/26) would be redundant.  In other cases,
where the record has been coded for the significant aspect, it may
be helpful to indicate a secondary form in 006/09 (e.g. a raster
image for cartographic material that is coded as "e" in leader/06
and has a Maps 008 could include code "c" for representational in
006/09).
A general material designator (GMD) may be given in 245$h to
indicate that the physical format is computer file (although the
use of the GMD is optional); it is not necessary for the 008 to
agree with the GMD, so the 008 for the content of the item would be
given.

5.      MULTIMEDIA ITEMS
The question arose in the previous discussions of this issue as to
how to code multimedia items which are becoming increasingly
prevalent.  In these cases several kinds of material interact and
it is impossible to determine the most significant aspect. 
Previous papers have suggested either opening up the definition of
code o (Kit) to include these (although the use of a visual
materials 008 makes this inappropriate) or code p (Mixed
materials).  This proposal recommends using code m for multimedia
items in which it is impossible to determine a significant aspect
and enumerates types of multimedia items in the definition.  Where
a significant aspect can be determined, the code for that aspect
would be used.

6.      IMPACT OF CHANGES ON SYSTEMS
Since some systems physically separate records by the type of 008,
changing the definition of code m will have an impact on systems.
Currently for electronic materials, the 008 would be computer files
for all but maps, unless a separate record had not been created and
field 856 added to the record for the original  Even if separation
of record types is not an issue, integrated systems would have many
records with computer files 008s that should have other 008s if
this proposal is approved. 
Systems may want to identify material type for sorting or limiting
and will need to use field 007 (as RLIN currently does).  OCLC
currently uses Leader/06 for duplicate detection, and may have to
make changes to look at 007 for computer files in this process.

7.      PROPOSED CHANGES
The following is presented for consideration:
        *       In the USMARC Bibliographic Format, change the definition
                of code "m" as follows:
                m - Computer file
                Code m indicates that the content of the record is for
                the following classes of electronic resources:  computer
                software (including programs, games, fonts), alphanumeric
                data,  computer-oriented multimedia, online systems or
                services, etc.  For these classes of materials, if there
                is a significant aspect that causes it to fall into
                another Leader/06 category, code for that significant
                aspect (e.g. vector data that is cartographic is not
                coded as numeric but as cartographic).  Other classes of
                electronic resources are coded for their most significant
                aspect  (e.g. language material, graphic, cartographic
                material, sound, music, moving image).  In case of doubt
                or if the most significant aspect cannot be determined,
                consider the item computer file. 
        *       In the USMARC Bibliographic and Holdings Formats, make
                field 007 for computer files mandatory for electronic
                resources.
Attachment A shows how each type of computer file for which there
is a definition in 008/26 would be coded in Ldr/06 and field 008 if
code m were redefined as above.
Attachment B shows the alternative of adding a value in field 008
for electronic.
Attachment C gives examples of different types of electronic
resources and how they would be coded if this proposal is approved.
-------------------------------------------------------------------
                    ATTACHMENT A
               Types of computer files 
This chart shows each type of computer file for which there is a
value in Computer files 008/26 (Type of computer file) and how each
would be coded in Leader/06 and 008.  Field 006 may be added if
there are any data elements in the Computer file 008/006 that would
be useful to record.  (In some cases, coding for 006 will give no
further information than is in the 008, since the only character
position in the CF008 that is different from the other material's
008 is 008/26.)  
It may be desirable to examine the definitions in 008/26 to further
specify how to code different types of computer files given recent
developments in the electronic world.  (Examples of possible
changes include changing numberic to alphanumeric; refining the
definition of interactive multimedia; adding more guidelines to
representational.)

008/26 type                                    Ldr06          008     
a  Numeric*                                    m              CF
b  Computer program                            m              CF
c  Representational*                           k              VM
d  Document                                    a              Bk or Ser
e  Bibliographic data                          a              Bk or Ser
f  Font                                        m              CF
g  Game                                        m              CF
h  Sound                                       i              Music
i  Interactive multimedia*                     m              CF
j  Online system or service                    m              CF
m  Combination                                 m              CF
u  Unknown                                     m              CF
z  Other*                                      m              CF      

*Electronic materials in this category are coded as computer files
unless there is another more significant form, such as numeric data
that is cartographic, a musical game, or multimedia that is
primarily graphics.  In those cases the item is coded for its more
significant aspect.
------------------------------------------------------------------
                         ATTACHMENT B
                 Using 008 to indicate electronic
The use of a character position in field 008 was considered to
indicate that the item described in the record is electronic.  This
has not been proposed because it resulted in requiring
systems/users to look in several different places to determine
whether a resource is electronic.  
A new value "j" could be defined for electronic in 008/23 and
006/06 (Form of item) for Books, Music, Serials, and Mixed
Materials.  (Previous discussions of this issue have pointed out
the similarity between the treatment of electronic material and the
treatment of microforms, which are not identified by a distinctive
type of record code but are coded for the type of material
characteristics.)  
The character position is defined as follows:
        008/23         Form of item 
           #    None of the following
           a    Microfilm
           b    Microfiche
           c    Microopaque
           d    Large print
           f    Braille
           r    Regular print reproduction
Codes g, h, i, and z are obsolete.
Maps and Visual materials do not have a character position for Form
of item.  Visual materials contains Type of visual material in
008/33, but since only one character position has been allotted,
only one value can be used.  It is defined as follows:
        008/33 Type of visual material
           a    Art original
           b    Kit
           c    Art reproduction
           d    Diorama
           f    Filmstrip
           g    Game
           i    Picture
           k    Graphic
           l    Technical drawing
           m    Motion picture
           n    Chart
           o    Flash card
           p    Microscope slide
           q    Model
           r    Realia
           s    Slide
           t    Transparency
           v    Videorecording
           w    Toy
           z    Other
The codes would no longer be mutually exclusive with the addition
of a code for electronic, so another character position should be
used.  
For Maps a value could be added for electronic to 008/33-34
(Special format characteristics) even though the categories are not
mutually exclusive, since there are two character positions
allotted.  
        008/33-34 Special format characteristics (Maps)
           #    No specified special format characteristics
           e    Manuscript
           j    Picture card, post card
           k    Calendar
           l    Puzzle
           m    Braille
           n    Game
           o    Wall map
           p    Playing cards
           q    Large print
           r    Loose-leaf
           z    Other
(Codes a, b, c, d, f, g, and h are obsolete.)  However, it would be
cleaner to define a new character position to make it consistent
with Visual materials and so that systems would not potentially
have to look at two codes to isolate the one for electronic.
A new character position 008/29 could be added to Maps and Visual
materials as Form of item with two possible values: # (None of the
following) and j (Electronic) to match the value chosen for the
other Form of item values.
If this alternative were selected, the following values would need
to be added in the USMARC Bibliographic Format to Books, Music,
Serials, and Mixed Materials 008/23 (Form of item) and 006/06:
                j      Electronic
The following character position would need to be added for Maps
and Visual Materials:
                008/29         Form of item
                006/12 Form of item
                  #    None of the following
                  j    Electronic                      
If this alternative were selected, the following content
designators in the record would have to be consulted to determine
that an item is electronic:
        Leader/06
        008/23 in all but CF, Maps, VM
        008/29 in Maps, VM
Other clues that item is electronic:
        006/00 or 007/00 and 007/01 for remote
        856 second indicator value 1 (if desired; if a separate record
is not created for the electronic version)
If using field 007 (as proposed), the following content designators
in the record would have to be consulted to determine that an item
is electronic:
        Leader/06
        007/00 and 01
        856 second indicator value 1 (if desired)
----------------------------------------------------------------
                         ATTACHMENT C
                           Examples
Examples are included for different types of computer files. 
Coding in Leader/06 reflects the proposed redefinition of value
m, and the addition of a value for electronic (008/23 Form of
item except 008/29 in Maps and VM).  Field 006 and 007 are
included where they add useful information; in most cases 006 has
not been added.  System generated elements are indicated with an
asterisk (*).
1.  Numeric  (Ldr/06=m (Computer file); 008/26=a for numeric)
Ldr          *****nmm##22*****#a#4500
007          co||g#
008          920505s1992####dcu########a#f######eng
040          $aNIC $cNIC
130    0     $aCensus of Population and Housing (1990). $pBlock
             statistics.
245    10    $a1990 Census of Population and Housing. $pBlock
             statistics $h[computer file] /$cU.S. Dept. of Commerce,
             Bureau of the Census, Data User Services Division.
256          $aComputer data.
260          $aWashington, D.C. : $bThe Division, $c[1992]
300          $a10 computer laser optical disks ; $c4 3/4 in. + $e1
             technical documentation.
516          $aNumeric (Summary statistics).
538          $aSystem requirements: IBM PC (286) or compatible; DOS
             3.0 or later;  640K RAM; CD-ROM player.
651    0     $aUnited States $xCensus, 21st, 1990 $vDatabases.
651    0     $aUnited States $xPopulation $xStatistics $vDatabases.
650    0     $aHousing $zUnited States $xStatistics $vDatabases.
2.     Computer program (Ldr/06=m (Computer file); 008/26=b for computer program)
Ldr          *****nmm##22****#a#4500
007          cj||a#
008          951207s1995####ohu########b########eng
245    00    $aPassport for Windows software $h[computer file].
250          $aVersion 1.00.
256          $aComputer program.
260          $aDublin, Ohio : $bOCLC, $cc1995.
300          $a4 computer disks ; $c3 1/2 in. + $e1 getting started
             guide + 4 templates.
538          $aSystem requirements: IBM PC or compatible with 80386sx
             or higher processor; 4MB or more of memory; MS-DOS 3.1
             or higher; Microsoft Windows 3.1 or higher; hard-disk
             drive with minimum of 10MB available space; modem (2400
             bps) and a telephone, or OCLC multidrop-line, or OCLCs
             Telecommunications Linking Program (TLP), or Internet
             access, or other LAN connection; for direct Internet
             access, TCP/IP software compatible with Microsoft
             Windows Sockets specification; VGA graphics monitor and
             adapter (recommended); mouse; TrueType fonts enabled.
650    0     $aEmulators (Computer programs) $vSoftware.

3      Representational (Ldr/06=k (2-dimensional nonprojectable
       graphic; 008 for VM)
Ldr          *****nkm##22*****#a#4500
007          coucga
008          950710s1993####waunnn############cneng
040          $aCMalg $cCMalg $dNjR $dNIC
110    2     $aNational Gallery (Great Britain)
245    00    $aMicrosoft art gallery $h [computer file] : $bthe
             collection of the National Gallery, London.
246    30    $aCollection of the National Gallery, London
256          $aComputer data and program.
260          $a[Redmond, Wash.] : $bMicrosoft Corporation, $cc1993.
300          $a1 computer laser optical disc : $bsd., col. ; $c4 3/4
             in. + $e1 sheet (folded)
538          $aSystem requirements: Apple Macintosh computer that supports a 13" (640x
             480) 256-color or higher-resolution monitor; system
             6.0.7 or later; 4 MB of RAM; at least 1 MB of available
             hard disk space; CD-ROM drive.
650    0     $aPainting $vCatalogs.
650    0     $aPainting $zEngland $zLondon $vCatalogs.
610    2     $aNational Gallery (Great Britain)$vCatalogs.
4.     Document  (Ldr/06=a (Language material); 008 for Books)
Ldr          *****nam##22*****#a#4500
007          cr||||
008          960803s1996####maua##########001#0#eng
040          $aUOK $cUOK
100    0     $aHomer.
240    10    $aIliad. $lEnglish
245    14    $aThe Iliad $h[computer file] / $cby Homer ; translated
             by Samuel Butler.
256          $aComputer data (multiple files : 788K).
260          $a[Cambridge, Mass.] : $bInternet Classics
             Archive,$cc1996.
538          $aMode of access: Internet.
650    0     $aAchilles (Greek mythology) $vPoetry.
650    0     $aTrojan War $vPoetry.
856    40    $uhttp://the-tech.mit.edu/Classics/Homer/iliad.html 
5.     Bibliographic data  (Ldr/06=a (Language material); 006 added
       for CF with 006/10=e (Bibliographic data))
Ldr          *****nam##22*****#a#4500
006          m#########e########
007          cr||||
008          970404m199u9999nju###########000#0#eng
040          $aIWA $cIWA
245    00    $aBooks in print $h[computer file]
256          $aComputer data and program.
260          $a[New Providence, N.J.] : $bReed Reference ; $a[Dublin,
             Ohio] : $bOCLC [distributor], $c[199-?]-
516          $aSearch engine.
538          $aMode of access: Remote access through the World Wide
             Web.
650    0     $aCatalogs, Book $zUnited States.
650    0     $aBooks $zUnited States $vDatabases.
651    0     $aUnited States $xImprints $vCatalogs.
856    4     $uhttp://www.lib.iastate.edu/scholar/db/bookip.html 
6.     Font  (Ldr/06=m; 008/26=f (font)
Ldr          *****nmm##22*****#a#4500
007          cjuna#
008          930401s1992####cau########f########eng
040          $aGHJ $cGHJ
245    00    $aApple font pack $h[computer file]
260          $aCupertino, CA : $bApple Computer, Inc., $c1992.
300          $a4 computer disks ; $c3 1/2 in. + $e1 user guide + 1
             installation guide.
538          $aSystem requirements: Macintosh; System 7.0 or later.
650    0     $aComputer fonts.
7.     Game  (Ldr/06=m; 008/26=g (game))
Ldr          *****nmm##22*****#a#4500
007          co||ga
008          960405s1995####xxu########g########                              
040          $aLVL $cLVL
245    00    $aMr. Potato Head saves Veggie Valley $h[computer file].
250          $aMacintosh/Windows version.
256          $aComputer program
260          $a[United States]: $bHasbro, Inc., $c1995.
300          $a1 computer laser optical disc: $bsd., col. : $c4 3/4
             in. + $e1 user's guide.
538          $aSystem requirements: Macintosh: 68030 25MHz computer;
             System 7.0 or higher; 8MB RAM; double-speed CD-ROM
             drive; color monitor (640 x 480, 256 colors). Windows:
             IBM compatible 486DX 33MHz computer; Windows 3.1 or
             Windows 95; 8MB RAM; double-speed CD-ROM drive; Super
             VGA (640 x 480, 256 colors); sound card.
650    0     $aEducational games $vJuvenile software.
650    0     $aProblem solving $vJuvenile Software.

8.     Sound  (Ldr/06=i; 008 for music)
Ldr          *****nmm##22******#a#4500
007          co|cga
008          940818s1993####nyuzzn#####h###s####eng
040          $aGHJ $cGHJ
245    00    $a1000 of the world's greatest sound effects $h[computer
             file]
260          $aSpring Valley, NY : $bInteractive Pub. Corp., $c1993.
300          $a1 computer laser optical disc : $bsd., col. ; $c4 3/4
             in. + $e1 user s guide.
538          $aSystem requirements: 386-based IBM PC or compatible
             PC; 2 MB RAM (4 MB recommended); hard drive with 300 KB
             free (additional 2MB to install Multimedia Sound
             Studio); Windows 3.1; VGA or high resolution graphics
             adaptor and matching monitor; mouse; Arial TrueType
             font; Windows multimedia sound card; CD-Rom drive with
             Microsoft CD extensions.
650    0     $aSounds $vSoftware.
9.     Interactive multimedia  (Ldr/06=m; 008/26=i (Interactive
       multimedia))
Ldr          *****cmm##22******#a#4500
007          co|mga
008          960108s1995####nyu####j###i########eng
040          $aIMF $cIMF $dIBS
245    00    $aBeethoven lives upstairs $h[computer file].
260          $a[New York?] : $b Children s Group : $b Distributed by
             BMG Distribution, $c c1995.
300          $a1 computer laser optical disc : $bsd., col. ; $c4 3/4
             in. + $e1 user s guide.
538          $aSystem requirements: IBM or compatible computer, 486SX
             or better, 33 MHZ (MPC standard); 4 MB RAM (8 MB RAM
             recommended); MS DOS 5.0 or later; Windows 3.1 or later;
             4 MB free hard disk space; sound card; mouse; 256 color
             VGA monitor; CD-ROM drive.
650    0     $aMusic $vJuvenile software.
10.    Online system or service  (Ldr/06=m; 008/26=j (Online system
       or service))
Ldr          *****cmm##22******#a#4500
007          cr||||
008          960401s1992####ohu########j########eng                           
040          $aCLE $cCLE
245    00    $aCleveland free-net community computer system
             $h[computer file] / $cby Case Western Reserve
             University, Office of Information Services.
256          $aComputer data.
260          $a[Cleveland, Ohio] : $bThe Office, $cc1992.
538          $aMode of access: dial-in access with modem or Internet.
650    0     $aElectronic mail systems $zOhio $zCleveland.
650    0     $aComputer networks $zOhio $zCleveland.
650    0     $aComputer bulletin boards $z Ohio $z Cleveland.
856    2     $afreenet-in-a.cwru.edu $b1-216-368-3888 $nCase Western
             Reserve University, Cleveland, OH.
856    2     $afreenet-in-b.cwru.edu $b1-216-368-3888 $nCase Western
             Reserve University, Cleveland, OH.
856    2     $afreenet-in-c.cwru.edu $b1-216-368-3888 $nCase Western
             Reserve University, Cleveland, OH.
11.    Other (Cartographic)  (Ldr/06=e (Cartographic material))
Ldr          *****nem##22*****#a#4500
007          co|cg#
008          960425s1994####dcu#################eng
040          $aCUS $cCUS $dNIC
130    0     $aWorld ocean atlas 1994 (CD-ROM ed.)
245    00    $aWorld ocean atlas 1994 $h[computer file].
260          $aWashington, DC : $bU.S. Dept. of Commerce, National
             Oceanic and Atmospheric Administration, National
             Environmental Satellite, Data and Information Service,
             National Oceanographic Data Center, Ocean Climate
             Laboratory, $c1994-
300          $a11 computer laser optical discs ; $c4 3/4 in. issued
             in leather booklet + $e1 documentation volume (39 p. :
             ill. ; 28 cm.) + 1 computer disk (3 1/2 in.)
538          $aSystem requirements: IBM-PC or compatible; 640k RAM
             plus 500k free memory; DOS 3.0 or later (preferably 6.2
             or later); any Microsoft DOS Extensions that supports a
             CD-ROM player with ISO 9660 software driver; hard disk
             drive with at least 1MB free space; VGA color monitor;
             mouse optional.
530          $aAlso available in a print ed.
650    0     $aOceanography $xCharts, diagrams, etc.
650    0     $aChemical oceanography $xMaps.
650    0     $aOcean temperature $vDatabases.
650    0     $aSalinity $vDatabases.
12.    856 added to original for electronic version  (Ldr/06=k (2-
       dimensional nonprojectable graphic;  007 added; 008/22=k
       (graphic))
Ldr          *****nkc##22*****#a#4500 
007          cr||||
008          950619i18601960xxunnn#|||||||a##|kneng
040          $aDLC $cDLC $dDLC $egihc
245    00    $aSelected Civil War Photographs, 1861-1865 (Library of
             Congress)$h[graphic].
246    33    $aCivil War Photograph Collection (Library of Congress)
260          $cca. 1860-1960, bulk 1861-1865.
300          $a1,114 photographs +$e4 illustrations.
530          $aAvailable on the Internet;$bLibrary of Congress World
             Wide Web site (http://www.loc.gov).
530          $3Selections from Anthony-Taylor-Ordway-Eaton
             Collection$aAvailable on 2 reels of
             microfilm;$bPublished as Civil War Photographs,
             1861-1865 (Library of Congress Photoduplication Service,
             1961)
530          $aAvailable on videodisc;$bLibrary of Congress, American
             Memory Program, 1994, unpublished.
530          $aCD-ROM;$bAustin, Tex. : Stokes Imaging Services, 1994.
650    7     $aBattlefields$zUnited States$y1860-1870.$2lctgm
650    7     $aForts & fortifications$zUnited
             States$y1860-1870.$2lctgm
650    7     $aMilitary officers$zUnited States$y1860-1870.$2lctgm
651    0     $aUnited States$xHistory$yCivil War, 1861-1865.
651    0     $aWashington (D.C.)$xHistory$yCivil War, 1861-1865.
655    7     $aPortrait photographs$y1850-1890.$2gmgpc
856    41    $3finding aid$dcwp$nLibrary of Congress, Washington,
             D.C. $uhttp://lcweb2.loc.gov/ammem/cwphome.html 


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