Studying a research degree: Other online library catalogues

Australia Libraries Gateway: Access to the online catalogues of Australian libraries
Libraries Australia: Libraries Australia provides access to combined holdings of the major Australian libraries (university libraries, state libraries and other major research libraries). Use it to find which libraries in Australia hold books and journals.
National Library of Australia: The catalogue of Australia's leading public research library

British Library Public Catalogue
BnF: English-language interface for the Bibliothèque nationale de France (BnF).
Library and Archives Canada/Bibliothèque et Archives Canada
Karlsruher Virtueller Katalog (KVK): The KVK allows for simultaneous searching of dozens of German-language library catalogs from Germany, Austria and Switzerland. The site includes links to other national and union catalogues across the world.
Library of Congress: Web access to the catalogue of one of the world's great libraries
National Library of New Zealand/Te Puna Mātauranga o Aotearoa
WorldCat: Provides bibliographic information on 1.2 billion items from over 10,000 libraries world-wide.