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MARC 21 HOME >> MARC 21 Formats >> National Level Requirements--Bibliographic >> Physical Description Fields
The Library of Congress
>> Especially for Librarians and Archivists
>> Standards
National Minimal
Level Level
300 PHYSICAL DESCRIPTION M M
[Field is A for Computer files.]
$a Extent M M
$b Other physical details A .
$c Dimensions M .
[Subfield is A for Mixed materials.]
$e Accompanying material A .
[Subfield O for Mixed materials.]
$f Type of unit A A
$g Size of unit A .
$3 Materials specified O .
$6 Linkage A A
$8 Field link and sequence number O .
306 PLAYING TIME O .
$a Playing time M .
$6 Linkage A
$8 Field link and sequence number O .
307 HOURS, ETC. O .
$a Hours M .
$b Additional information O .
$6 Linkage A .
$8 Field link and sequence number O .
310 CURRENT PUBLICATION FREQUENCY A .
$a Current publication frequency M .
$b Date of current publication frequency A .
$6 Linkage A .
$8 Field link and sequence number O .
321 FORMER PUBLICATION FREQUENCY O .
$a Former publication frequency M .
$b Dates of former publication frequency A .
$6 Linkage A .
$8 Field link and sequence number O .
336 CONTENT TYPE O .
$a Content type term M .
$b Content type code M .
$2 Source M .
$3 Materials specified O .
$6 Linkage A .
$8 Field link and sequence number O .
337 MEDIA TYPE O .
$a Media type term M .
$b Media type code M .
$2 Source M .
$3 Materials specified O .
$6 Linkage A .
$8 Field link and sequence number O .
338 CARRIER TYPE O .
$a Carrier type term M .
$b Carrier type code M .
$2 Source M .
$3 Materials specified O .
$6 Linkage A .
$8 Field link and sequence number O .
340 PHYSICAL MEDIUM A .
$a Material base and configuration A .
$b Dimensions A .
$c Materials applied to surface A .
$d Information recording technique A .
$e Support A .
$f Production rate/ratio A .
$h Location within medium A .
$i Technical specifications of medium A .
$3 Materials specified O .
$6 Linkage A .
$8 Field link and sequence number O .
342 GEOSPATIAL REFERENCE DATA A .
$a Name A .
$b Coordinate or distance units A .
$c Latitude resolution A .
$d Longitude resolution A .
$e Standard parallel or oblique line latitude A .
$f Oblique line longitude A .
$g Longitude of central meridian or projection A .
center
$h Latitude of projection origin or projection A .
center
$i False easting A .
$j False northing A .
$k Scale factor A .
$l Height of perspective point above surface A .
$m Azimuthal angle A .
$n Azimuth measure point longitude or straight A .
vertical longitude from pole
$o Landsat number and path number A .
$p Zone identifier A .
$q Ellipsoid name A .
$r Semi-major axis A .
$s Denominator of flattening ratio A .
$t Vertical resolution A .
$u Vertical encoding method A .
$v Local planar, local, or other projectoin A .
or grid description
$w Local planar or local georeference A .
information
$2 Reference method used A .
$6 Linkage A .
$8 Field link and sequence number O .
343 PLANAR COORDINATE DATA A .
$a Planar coordinate encoding method A .
$b Planar distance units A .
$c Abscissa resolution A .
$d Ordinate resolution A .
$e Distance resolution A .
$f Bearing resolution A .
$g Bearing units A .
$h Bearing reference direction A .
$i Bearing reference meridian A .
$6 Linkage A .
$8 Field link and sequence number O .
351 ORGANIZATION AND ARRANGEMENT OF MATERIALS O .
$a Organization A .
$b Arrangement A .
$c Hierarchical level A .
$3 Materials specified O .
$6 Linkage A .
$8 Field link and sequence number O .
352 DIGITAL GRAPHIC REPRESENTATION A .
$a Direct reference method A .
$b Object type A .
$c Object count A .
$d Row count A .
$e Column count A .
$f Vertical count A .
$g VPF topology level A .
$i Indirect reference description A .
$q Format of the digital image A .
$6 Linkage A .
$8 Field link and sequence number O .
355 SECURITY CLASSIFICATION CONTROL A .
$a Security classification M .
$b Handling instructions A .
$c External dissemination information A .
$d Downgrading or declassification event A .
$e Classification system A .
$f Country of origin code A .
$g Downgrading date A .
$h Declassification date A .
$j Authorization A .
$6 Linkage A .
$8 Field link and sequence number O .
357 ORIGINATOR DISSEMINATION CONTROL A .
$a Originator control term M .
$b Originating agency M .
$c Authorized recipients of material A .
$g Other restrictions A .
$6 Linkage A .
$8 Field link and sequence number O .
362 DATES OF PUBLICATION AND/OR SEQUENTIAL A A
DESIGNATION
$a Dates of publication and/or sequential M M
designation
$z Source of information O .
$6 Linkage A A
$8 Field link and sequence number O .
363 NORMALIZED DATE AND SEQUENTIAL DESIGNATION O .
$a First level of enumeration A .
$b Second level of enumeration A .
$c Third level of enumeration A .
$d Fourth level of enumeration A .
$e Fifth level of enumeration A .
$f Sixth level of enumeration A .
$g Alternative numbering scheme, O .
first level of enumeration
$h Alternative numbering scheme, O .
second level of enumeration
$i First level of chronology A .
$j Second level of chronology A .
$k Third level of chronology A .
$l Fourth level of chronology A .
$m Alternative numbering scheme, chronology O .
$u First level textual designation A .
$v First level of chronology, issuance A .
$x Nonpublic note O .
$z Public note O .
$6 Linkage A .
$8 Field link and sequence number O .
365 TRADE PRICE A .
$a Price type code A .
$b Price amount A .
$c Currency code A .
$d Unit of pricing A .
$e Price note A .
$f Price effective from A .
$g Price effective until A .
$h Tax rate 1 A .
$i Tax rate 2 A .
$j ISO country code A .
$k MARC country code A .
$m Identification of pricing entity A .
$2 Source of price type code A .
$6 Linkage A .
$8 Field link and sequence number O .
366 TRADE AVAILABILITY INFORMATION A .
$a Publishers' compressed title A .
identification
$b Detailed date of publication A .
$c Availability status code A .
$d Expected next availability date A .
$e Note A .
$f Publishers' discount category A .
$g Date made out of print A .
$j ISO country code A .
$k MARC country code A .
$m Identification of agency A .
$2 Source of availability status code A .
$6 Linkage A .
$8 Field link and sequence number A .
380 FORM OF WORK O .
$a Form of work M .
$0 Record control number A .
$2 Source of term A .
$6 Linkage A .
$8 Field link and sequence number O .
381 OTHER DISTINGUISHING CHARACTERISTICS O .
OF WORK OR EXPRESSION
$a Other distinguishing characteristic M .
$u Uniform Resource Identifier A .
$v Source of information A .
$0 Record control number A .
$2 Source of term A .
$6 Linkage A .
$8 Field link and sequence number O .
382 MEDIUM OF PERFORMANCE O .
$a Medium of performance M .
$0 Record control number A .
$2 Source of term A .
$6 Linkage A .
$8 Field link and sequence number O .
383 NUMERIC DESIGNATION OF MUSICAL WORK O .
$a Serial number A .
$b Opus number M .
$c Thematic index number A .
$6 Linkage A .
$8 Field link and sequence number O .
384 KEY O .
$a Key M .
$6 Linkage A .
$8 Field link and sequence number O .
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