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MARC 21 Definition | Tag | LTS Abbreviated Level Requirement |
Library of Congress control no. | 010 | Mandatory if applicable. Enter any DLC label mounted on the cover. |
ISBN | 020 | Enter |a if it appears on the item (|z if you know it can’t possibly be valid, for example if it’s not 10 or 13 digits long) |
System control number | 035 | Retain the OCLC control number if present. Do not include an OCLC control number for a different manifestation. Do not include an OCLC control number for a non-English record (that is, 040 |b must be blank or “eng”). |
Cataloging source | 040 | Subfields |a, |b, |c mandatory; |e rda and |d if applicable |
LC call no. | 050 | Mandatory; see guidelines in this procedure |
Authorized access point | 1xx | Mandatory Mandatory if applicable (includes 100, 110, 111, 130) |
Preferred title | 240 | Enter a preferred title if known or readily inferred from the item; otherwise, omit |
Title area | 245 | Subfield |a is mandatory; |b and|c if applicable |
Varying form of title | 246 | Optional ; use judgment |
Edition area | 250 | Mandatory Mandatory if applicable |
Imprint | 264: 1: (RDA); 260 (usually AACR2) | Mandatory Mandatory if applicable; |a, |b and |c should be present |
Physical description | 300 | Subfields |a and |c are mandatory; all other subfields are optional |
Content, Media, Carrier | 336, 337, 338 | Mandatory Mandatory on RDA records. Use macro #r1 for for print monographs. |
Series | 490:0 : | Transcribe series if present. Do not trace the the series in an 830. Remove an 830 if one one happens to be present on the in-process record. |
FAST subject access or Uncontrolled subject terms | 6xx | Mandatory Mandatory if applicable; see guidelines in this procedure |
Added entries | 7xx | All added added entries are optional |
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AnchorE E
Guidelines for LC Call Numbers
E | |
E |
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