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MARC 21 HOME >> MARC 21 Formats >> National Level Requirements--Bibliographic >> Control Fields
The Library of Congress
>> Especially for Librarians and Archivists
>> Standards
National Minimal
Level Level
001 CONTROL NUMBER M M
003 CONTROL NUMBER IDENTIFIER M M
005 DATE AND TIME OF LATEST TRANSACTION M M
006 FIXED-LENGTH DATA ELEMENTS ADDITIONAL O .
MATERIAL CHARACTERISTICS
007 PHYSICAL DESCRIPTION FIXED FIELD O .
007-Map O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Color O .
04 Physical medium O .
05 Type of reproduction O .
06 Production/reproduction details O .
07 Positive/negative aspect O .
007-Electronic resource A .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Color O .
04 Dimensions O .
05 Sound O .
06-08 Image bit depth O .
09 File formats O .
10 Quality assurance targets O .
11 Antecedent/source O .
12 Level of compression O .
13 Reformatting quality O .
007-Globe O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Color O .
04 Physical medium O .
05 Type of reproduction O .
007-Tactile Material O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03-04 Class of braille writing O .
05 Level of contraction O .
06-08 Braille music format O .
09 Special physical characteristics O .
007-Projected graphic O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Color O .
04 Base of emulsion O .
05 Sound on medium or separate O .
06 Medium for sound O .
07 Dimensions O .
08 Secondary support material O .
007-Microform A .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Positive/negative aspect O .
04 Dimensions O .
05 Reduction ratio range O .
06-08 Reduction ratio O .
09 Color O .
10 Emulsion on film O .
11 Generation O .
12 Base of film O .
007-Nonprojected graphic O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Color O .
04 Primary support material O .
05 Secondary support material O .
007-Motion picture O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Color O .
04 Motion picture presentation format O .
05 Sound on medium or separate O .
06 Medium for sound O .
07 Dimensions O .
08 Configuration of playback channels O .
09 Production elements O .
10 Positive/negative aspect O .
11 Generation O .
12 Base of film O .
13 Refined categories of color O .
14 Kind of color stock or print O .
15 Deterioration stage O .
16 Completeness O .
17-22 Film inspection date O .
007-Kit O .
00 Category of Material M .
01 Specific material designation M .
007-Notated music O .
00 Category of material M .
01 Specific material designation M .
007-Remote-sensing image O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Altitude of sensor O .
04 Attitude of sensor O .
05 Cloud cover O .
06 Platform construction type O .
07 Platform use category O .
08 Sensor type O .
09-10 Data type O .
007-Sound recording O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Speed O .
04 Configuration of playback channels O .
05 Groove width/groove pitch O .
06 Dimensions O .
07 Tape width O .
08 Tape configuration O .
09 Kind of disc, cylinder, or tape O .
10 Kind of material O .
11 Kind of cutting O .
12 Special playback characteristics O .
13 Capture and storage technique O .
007-Text O .
00 Category of material M .
01 Specific material designation M .
007-Videorecording O .
00 Category of material M .
01 Specific material designation M .
02 Undefined O .
03 Color O .
04 Videorecording format O .
05 Sound on medium or separate O .
06 Medium for sound O .
07 Dimensions O .
08 Configuration of playback channels O .
007-Unspecified O .
00 Category of material M .
01 Specific material designation M .
008-FIXED-LENGTH DATA ELEMENTS M M
008-All material types
00-05 Date entered on file M M
06 Type of date/Publication status M .
07-10 Date 1 M .
11-14 Date 2 M .
15-17 Place of publication, production, M .
or execution
35-37 Language M M
38 Modified record M .
39 Cataloging source M M
008-Books
18-21 Illustrations O .
22 Target audience M .
23 Form of item M .
24-27 Nature of contents O .
28 Government publication M .
29 Conference publication O .
30 Festschrift O .
31 Index O .
32 Undefined O .
33 Literary form M .
34 Biography M .
008-Computer files
18-21 Undefined O .
22 Target audience O .
23 Form of item 0 .
24-25 Undefined O .
26 Type of computer file M .
28 Government publication M .
29-34 Undefined O .
008-Maps
18-21 Relief O .
22-23 Projection O .
24 Undefined O .
25 Type of cartographic material M M
26-27 Undefined O .
28 Government publication M .
29 Form of item M .
30 Undefined O .
31 Index O .
32 Undefined O .
33-34 Special format characteristics M .
008-Music
18-19 Form of composition O .
20 Format of music M M
21 Music parts O .
22 Target audience O .
23 Form of item M .
24-29 Accompanying matter M .
30-31 Literary text for sound recordings M .
32 Undefined O .
33 Transposition and arrangement O .
34 Undefined O .
008-Continuing resources
18 Frequency M .
19 Regularity M .
20 ISSN center O .
21 Type of integrating resource M .
22 Form of original item O .
23 Form of item M .
24 Nature of entire work O .
25-27 Nature of contents O .
28 Government publication M .
29 Conference publication O .
30-32 Undefined O .
33 Original alphabet or script of title O .
34 Entry convention M M
008-Visual materials
18-20 Running time for motion pictures M .
and videorecordings
21 Undefined O .
22 Target audience O .
23-27 Undefined O .
28 Government publication M .
29 Form of item M .
30-32 Undefined O .
33 Type of visual material M M
34 Technique M .
008-Mixed materials
18-22 Undefined O .
23 Form of item M .
24-34 Undefined O .
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