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Subject Heading Treatment
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 |
Topical subject heading - Accept on copy/Add to original |
| 6XX | 1 |
Children's topical 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 Subj. Heading - Delete from copy |
| 6XX | 6 |
French Subj. Heading - Delete from copy |
| 6XX | 7 |
"Source Specified in Subfield 2" - Accept on copy (exceptions: 650, 651, 655. See treatment below.) |
| 6XX | 8 |
Sears Subj. Heading - Delete from copy |
| 650 651 |
7 |
Foreign language heading - Delete from copy |
| 653 | Index Term - Uncontrolled - Accept on copy (May delete if foreign language) | |
| 654 | Faceted Topical Term - Delete from copy/Do not use on original | |
| 655 | 7 |
Form/Genre Term - Accept on copy/Do not use on original EXCEPT for Special Collections situations |
| 656-658 | Index Term [specific type] - Delete from copy |