6xx

6xx Fields: General Instructions

At least one subject added entry is required.

Repeatable: Y

Instructions:

For 6xx you are required to have a 655 ‡a Web archives. Optionally add any other 600, 610, 650, 651 entries as appropriate.

Subfield ‡v is not required.

For non-textual forms/genres, a corresponding 006 must also be used. Terms used in 655 must also be included in 520.

When applicable, add a 6xx for the name in 1xx, so that the name is searchable as both a creator and subject.

Links to the controlled vocabularies mentioned below:

Library of Congress Authorities file: https://authorities.loc.gov/ [1]

Art & Architecture Thesaurus: http://www.getty.edu/research/tools/vocabularies/aat/index.html [2]

Example:

600 10 ‡a Disch, Thomas M. ‡v Computer network resources.

610 20 ‡a Catholic Church ‡v Computer network resources.

650 /0 ‡a Digital Preservation

651 /0 ‡a Rome (Italy) ‡v Computer network resources.

655 /7 ‡a Web archives. ‡2 aat

655 /7 ‡a Blogs. ‡2 lcgft