General Reference for All Formats

Authority Work

MARC Authority Data: See Authority Data under MARC21
Authorities : Formats and Indexes: Provides details on selected topics that catalogers need to identify and verify information in bibliographic and/or authority records via the OCLC® authority file.
OCLC Connexion Client Documentation : Authorities: Task-specific procedures, including: finding, creating, modifying, saving, or exporting authority records. (See also: Quick Reference in PDF.)

eResources LC class information: Tables containing LC class information that was used for populating the eResources folders on the library website from 2002-2010. With the decommissioning of eResources on January 29, 2010, a snapshot of these tables (taken on January 26, 2010) is being stored on the Cataloging and Metadata Services website for historical purposes.
Library of Congress Classification Web (Library Staff Only-automatic login): Displays Library of Congress classification data using a standard Web browser. It provides hypertext links to related areas of the classification system, as well as other electronic resources.
Basic LC Cutter Table: Basic cutter table used in formulating LC call numbers.
LC Biography Cutter Table: LC's individual biography cutters used in formulating LC call numbers.
LC P Class Cutters: LC's P Class Cutters for individual authors.
Library of Congress Classification Outline: Outline of main classes and their subclasses of the Library of Congress Classification. PDF format.
MARC Classification Data: See Classification Data under MARC21
LC Translation Cutters: List of LC translation cutters used in formulating LC call numbers.
Local Translation Cutters: Locally applied translation table used in formulating LC call numbers.

ALA-LC Romanization Tables: Transliteration Schemes for Non-Roman Scripts approved by the Library of Congress. PDF format.
Omniglot: Guide to all major alphabets, syllabaries and other writing systems.
Initial Articles: List of initial articles for several languages.
Abbreviations: Table of bibliographically relevant abbreviations for several languages.
Caption Abbreviations: CONSER guidelines for abbreviations from AACR2 or from other standard lists used in MARC caption/pattern and holdings data
TextCat Language Guesser: A language guesser. The more text you provide, the more reliable the guesser works. (No longer actively maintained.)

Counting non-filing characters in MARC 21 bibliographic records: Illustrates practice for counting non-filing characters in MARC 21.
Authority Data: Standard for the representation and exchange of authority data in machine-readable form.
Bibliographic Data: Standard for the representation and exchange of bibliographic data in machine-readable form.
Classification Data: Standards for the representation and exchange of classification data in machine-readable form.
Countries Code List: List of places and their associated two- or three-character lowercase alphabetic codes.
Geographic Areas Code List: List of geographic areas and their associated one-to seven-character codes.
Holdings Data: Standard for the representation and exchange of holdings data in machine-readable form.
Languages Code List: List of languages and their associated three-character alphabetic codes.

Library of Congress Subject Headings (LCSH) Weekly Lists: Weekly lists of new and changed subject headings are posted on the Cataloging Policy and Support Office web site as they are approved.