Conservative History Group: http://www.conservativehistory.org.uk/

Liberal History Group: http://www.liberalhistory.org.uk/

Labour History Archive and Study Centre (LHASC): http://www.nmlhweb.org/archive.htm

Trade Union history online: http://www.unionhistory.info/

Society for the Study of Labour History: http://facstaff.uww.edu/sslh/home.html

Chris Hemming Labour History website: http://www.labour-history.org.uk/Labour.htm

Red Clydside research archive: http://gdl.cdlr.strath.ac.uk/redclyde/index.html

Labour Party: http://www.labour.org.uk