They perform general proofreading and correct typos, mis-tagging or other obvious errors. They may revise, correct or delete obsolete or inaccurate subject headings or subject subdivisions. Copy catalogers forward unresolved questions to CatSS Section Head or to catalogers. Selected titles may be reclassified from LC-assigned call number to another in response to collection preferences or precedent. Original cataloging Catalogers generally create full level records, but may choose to create core-level records.
Catalogers complete and upgrade preliminary records to full level.
Original catalogers create name authority records and cross-reference structure for selected personal or corporate names for NACO contribution, especially those derived from Hawaiian, Asian CJK and Pacific works cataloged. Subject headings are assigned according to Library of Congress Subject Headings. Map Cataloging Manual ALA-LC Romanization Tables. Descriptive Cataloging of Rare Books. Bibliographic Formats and Standards.