General Information


Fixed Fields

Pre-AACR2 Headings in the LC/NAF

Cancellation of Authority Headings in the LC/NAF

Undifferentiated Personal Name Authority Records

4XX and 5XX Fields

670 Field

675 Field

663/664 Fields

665 Field

667 Field

Preliminary Authority Records in the LC/NAF

Provisional Authority Records in the LC/NAF

British Library (BL) Name Authority Records

English Short Title (ESTC) Records

National Library of Medicine (NLM) Records

Early Notice Records (ENR)

Change Messages

Communications with the Library of Congress

See also:

NACO Participants' Manual:  Contents