AACR2
Anglo-American Cataloguing Rules, 2nd edition

AAT
Art & Architecture Thesaurus, 2nd ed.  New York: Oxford University Press, 1994

APPM
Archives, Personal Papers, and Manuscripts

ASCII
American Standard Code for Information Interchange

EAD
Encoded Archival Description

HTM
Hyper Text Markup Language

ISAD-(G)
International Standard Archival Description - General

LCSH
Library of Congress Subject Headings

MARC
See USMARC.

NAF
Library of Congress Name Authority File

OCLC
Online Computer Library Center

OPAC
On-line Public Access Catalog

RAD
Rules for Archival Description

RLG
The Research Libraries Group

SAA
Society of American Archivists

SCM
Subject Cataloging Manual

SGML
Standard Generalized Markup Language

TGM
Thesaurus for Graphic Materials

TGN
Thesaurus of Geographic Names

ULAN
Union List of Artist Names

USMARC
United States Machine Readable Cataloging

Z39.50
Z39.50 is an information retrieval protocol that supports communication among different information systems, making it possible for a user to search various systems without knowing the different search syntaxes employed.