Library Catalogues
- Anglia Ruskin University library catalogue
- British Library
- British Library for Development Studies
- British Library Newspaper Library
Includes entries for over 52,000 newspaper and periodical titles which are held from all over the world, dating from the 17th to the 21st century - Cambridge University Union List of Serials
Journal holdings of Cambridge University main library and all department and faculty libraries - Cambridge University Library
Cambridge University main catalogue, plus access to the union catalogue of department libraries - Cambridgeshire Libraries and Information Service
- Consortium of University Research Libraries [COPAC]
Unified access to the catalogues of some of the largest university research libraries in the UK and Ireland - Essex Libraries
- European Commission Libraries [ECLAS]
- Internet Public Libraries
Supported by a consortium of US colleges and universities - Library Catalogues (OPACs) in Higher Education
List of UK and Ireland higher education and research institutions' library catalogues - Library of Congress (US) Catalogues
- M25 Consortium of Higher Education Libraries
Information about, and access to the catalogues of over 120 college and university libraries in the London area (bounded by the M25). - National Library Catalogues Worldwide
Links to most countries' National Catalogues, arranged alphabetically by country. Courtesy of University of Queensland - National Sound Archive
Part of the British Library - OBI - Opacs in Britain and Ireland
Organised listing of both countries' Library Catalogues, including educational, special and public libraries - Peterborough Libraries
- Public Record Office Catalogue - PROCAT
Online catalogue of archives of central government, including military, health and census - WiLL - What's in London's Libraries
Search the collections and community information resources of a range of libraries, museums and archives across London
