http://portico.bl.uk
The British Library.

http://www.w3.org/pub/DataSources/bySubject/Overview.html
WWW Virtual Library, a comprehensive index of links by subject

http://www.thesaurus.com
Find the appropriate word or phrase with Roget's Thesaurus.

http://www.ons.gov.uk
UK economic and social statistics.

http://www.refdesk.com/main.html
Huge reference site with encyclopaedia, newspapers, thesauruses, phone books, libraries.......

http://dspace.dial.pipex.com/town/square/ac940/weblibs.html
List of all UK libraries with a web site

http://www.nal.vam.ac.uk/
National Art Library.A research and reference library based at the Victoria and Albert Museum.

http://www.biography.com/find/find.html
Short biographies of anybody who is somebody.

Schools on the Internet in Oxfordshire
Keypals International
Database of Schools on the Internet

Government Information Service

Bookstack Database: a searchable database of "electronic" texts available over the Internet

http://www.itools.com/research-it/research-it.html
A range of useful tools, rhymes, anagrams, biographies, maps, quotations, translators and more