Summary of variable fields that are OK to delete from imported member/vendor records
Delete: 011, 012, 029, 039, 045 (books only), 049, 069, 072,092, 096, 098, 653, 654, 656, 657, 658
Delete: 600, 610, 611, 630, 650, 651 indicator 3-7, 653, 654, 656, 657, 658
Use Judgement: 035 (See 035 Field Summary Document [1])
Use Judgement: 090: retag if LC class; otherwise delete. 099 retain if Yale class; otherwise delete
Use Judgement: delete 69x if not Yale; retain if Yale record
Delete all 9xx EXCEPT: 927, 928, 946 [2], 948, 987
Delete/Retain Tag Table | BFS=OCLC Bibliographic Formats & Standards | |||
Tag | Description | Delete | Retain | Comments |
010 | LCCN | + | ||
011 | LC linking control no. | X | OBSOLETE | |
012 | Terminal display | X | BFS: users may delete or discard | |
013 | Patent control info | + | Probably will never encounter | |
015 | National Bib no. | + | BFS: Use if you are transcribing LC copy with national bibliography numbers for British Library cataloging or if you are transcribing British Library copy or National Library of Canada copy. | |
016 | National Bib Agency no. | + | Used for the NLC control no. | |
017 | Copyright reg. no. | + | ||
018 | Copyright article-fee code | + | ||
019 | OCLC control no. cross ref | + | Represents OCLC no. of deleted record | |
020 | ISBN | + | ||
022 | ISSN | + | ||
024 | Other standard no. | + | ||
025 | Overseas acq. no. | + | ||
027 | Standard tech. rpt. no. | + | ||
028 | Publisher no. | + | Important retrieval field for music and video | |
029 | Other System Control no. | X | Used for internal OCLC tracking | |
030 | CODEN designation | + | ||
032 | Postal registration no. | + | Used for serials | |
033 | Date/time & place of event | + | Used primarily with sound recordings | |
034 | Coded cartographic data | + | Used in map cat. In conj. w/255 | |
035 | System control no. | SEE 035 Field Summary document | ||
036 | Data file id number | + | ||
037 | Source of acquisitions | + | ||
039 | Core record designator | X | OBSOLETE | |
040 | Cataloging source | + | ||
041 | Language code | + | ||
043 | Geographic area code | + | ||
044 | Country of publ. code | + | ||
045 | Time period of contents | X (see note) | Delete for books; retain for scores/recordings. | |
Assigned by vendors; no way to check accuracy | ||||
046 | Special coded dates | + | Delete if on vendor record | |
047 | Form of musical comp. | + | Important retrieval field for music | |
048 | No. of musical instruments | + | Important retrieval field for music | |
049 | OCLC loc code | X | ||
050 | LC call no. | + | ||
051 | LC copy, issue statement | + | ||
052 | Geographic classification | + | Primarily on map records? | |
055 | NLC call number | + | ||
060 | NLM call number | + | ||
061 | NLM copy statement | + | ||
066 | Character sets present | + | Nonroman records | |
069 | Other System Control no. | X | OBSOLETE | |
070 | NAL call number | + | ||
071 | NAL copy statement | + | ||
072 | Subject category code | X | These appear to be assigned by vendors and are generally not in synch with the actual classification | |
074 | GPO item no. | + | Government documents | |
080 | Universal decimal call no. | + | Delete if assigned by vendor | |
082 | Dewey decimal call no. | + | ||
084 | Other call no. | + | Used for nonlocal classification schemes that do not have a specific tag | |
086 | Government doc class no. | + | ||
088 | Report number | + | ||
090 | Locally assigned LC-type | RETAG | If the call no. is LC classification, re-tag to 050 _4; otherwise delete | |
092 | Locally assigned Dewey no. | X | Since we are not able to verify, better to delete | |
096 | Locally assigned NLM | X | Since we are not able to verify, better to delete | |
098 | Other classification schemes | X | Since we are not able to verify, better to delete | |
099 | Local free text call no. | See Note | Delete only if not a local Yale number | |
600 2nd indicator 0, 1, or 2 | LC, LC childrens, MeSH | + | ||
600 2nd indicator 3-7 | nonLC/MeSH | X | ||
610 2nd indicator 0, 1, or 2 | LC, LC childrens, MeSH | + | ||
610 2nd indicator 3-7 | nonLC/MeSH | X | ||
611 2nd indicator 0, 1, or 2 | LC, LC childrens, MeSH | + | ||
611 2nd indicator 3-7 | nonLC/MeSH | X | ||
630 2nd indicator 0, 1, or 2 | LC, LC childrens, MeSH | + | ||
630 2nd indicator 3-7 | nonLC/MeSH | X | ||
650 2nd indicator 0, 1, or 2 | LC, LC childrens, MeSH | + | ||
650 2nd indicator 3-7 | nonLC/MeSH | X | ||
651 2nd indicator 0, 1, or 2 | LC, LC childrens, MeSH | + | ||
651 2nd indicator 3-7 | nonLC/MeSH | X | ||
653 | Uncontrolled index term | X | ||
654 | Subject added entry facetted | X | ||
655 | Index term genre/form | + | Video cataloging is already starting to use this although not LC policy yet | |
656 | Index term occupation | X | ||
657 | Index term function | X | ||
658 | Index term curriculum objective | X | ||
69X | Local subject | SEE NOTE | Retain on records cataloged by Yale; delete from member records | |
880 | Alternate graphic representation | + | Used for nonroman fields | |
927 | Yale bib processing data | + | ||
928 | Yale authority processing data | + | ||
948 | Local Yale processing info | + | ||
987 | Local romanization data | + | ||
DELETE ALL OTHER 9xx FIELDS |