Cat Ref Collection
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Refer non-literary items if none of the remaining subject headings after cleanup would be LC subject headings. When making a subject referral, do not delete invalid subject headings as they may be used to formulate valid LC subject headings.
| Field | 2nd ind. | Treatment |
|---|---|---|
| 6XX | 0
|
LC subject heading - Accept on copy |
| 6XX | 1
|
Children's subject heading - Accept on copy |
| 6XX | 2
|
MeSH/NLM heading - Accept on copy |
| 6XX | 3
|
NAL heading - No longer used |
| 6XX | 4
|
"Source not specified" or "Local" - Delete from copy |
| 6XX | 5
|
Canadian subject heading - Delete from copy |
| 6XX | 6
|
Canadian French subject heading - Delete from copy |
| 6XX | 7
|
"Source specified in subfield 2" - Delete from copy (exceptions: 600-651 CJK headings and 655 - See treatment below) |
| 6XX | 8
|
Sears subject heading - Delete from copy |
| 600-651 | 7 | CJK headings - Accept on copy |
| 653 | Uncontrolled headings - Accept on copy (May delete if foreign language) | |
| 654 | Faceted topical term - Delete from copy |
|
| 655 | 7
|
Genre/Form term - Accept on copy |
| 656-658 | Other index terms - Delete from copy |
