NACO: Other Catalogs, Including NUC
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Princeton University Cataloging Documentation

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Other catalogs, including NUC

Library catalogs, either online or in print (e.g. NUC, BN, BNB), are useful when the rules require you to examine usage on other publications or in other languages, in addition to usage on the item cataloged. They can also be useful as sources for the following:

  • fuller forms of names, or dates, to break conflicts
  • 22.19B additions to names
  • choice of entry element in ambiguous cases
  • identifying one name with another, for pseudonyms, etc.
Catalogs are not a substitute for reference sources such as gazetteers, encyclopedias, biographical dictionaries, etc., when these are called for.

Since the NUC is a frequently-used source, especially in the cataloging of rare books, it is given special mention here. In most cases, do not make an extra effort to consult the NUC for information about headings. But if the information is readily available and you wish to use it, cite it as shown below. NUC citations are generally limited to the heading on the NUC record, and do not include the usage.

100 10 Cater, Katherine,‡d1945-
670 Legal research for librarians, 1968:‡bt.p. (Katherine Cater)
670 NUC 1968-72‡b(hdg.: Cater, Katherine Mary, 1945- )