IMDB: Internet Movie DataBase
iPAC: Image Public Access Catalogue
iPAC: Internet Public Access Catalogue
IPIG: ILL Protocol Implementers Group
IR: Information Retrieval
IRAN: Iranian Resources for Academic Needs
ISBN: International Standard Book Number
ISDN: Institut des Sciences du Document Numérique
ISSN: International Standard Serial Number

ITIL: IT Infrastructure Library
JIAP: Japan Information Access Project
JISC: Joint Information Systems Committee
JNUL: Jewish National and University Library
JPGS: Japan Publications Guide Service
LAF: Library Application Framework
LAP: Libraries of Asia Pacific
LCC: Library of Congress Classification
LCCN: Library of Congress Control Number
LII: Librarians' Internet Index
LIMBER: Language Independent Metadata Browsing of European Resources
LINC: Library Information Network Consortium
LTWA: Library of Tibetan Works & Archives
MAGRST: Magnetic Tape Restore
MAI: Machine-Aided Indexing
MARC: Machine Readible Cataloging
MARLC: Melbourne Asian Research Libraries Consortium
MBS: Miniature Book Society
MCLC: Modern Chinese Literature and Culture
MDL: Master Data Library
MENIC: Middle East Network Information Centre
MERIP: Middle East Research and Information Project
MeSH: Medical Subject Headings
MHLA: Maritimes Health Libraries Association
MIPP: Microfilming of Indian Publications Project
MLS: Masters of Library Science
MOF: Meta-Object Facility
NAL: National Agricultural Library
NARS: National Archives and Record Services
NCC: North American Coordinating Council on Japanese Library Resources
NCECHO: North Carolina Exploring Cultural Heritage Online