British Library Public Catalogue
Electronic Text Center Collections
Gabriel: Gateway to Europe's National Libraries
Internet Public Library Reference Center
Koninklijke Bibliottheek
Library of Congress
Library Spot
LibWeb
Lib-Web-Cats
National Library of Scotland
North Carolina MetaLibrary
Niedersachsische Staats-und Universitatsbibliothek Gottingen
Oxford Libraries
SJCPL's List of Public Libraries With www Services
The Internet Public Library
UCB Library Pathfinder
UK Higher Education and Research Libraries
UNESCO Libraries Portal
Virtual Library