Liberal Party - Includes brief history, total votes and percentages in general elections covering the years from 1868-1987. - http://www.spartacus.schoolnet.co.uk/Pliberal.htm
Peelite - Wikipedia article about the Peelite party, a predecessor of the Liberal Party. - http://en.wikipedia.org/wiki/Peelite
Social Democratic Party (UK) - Wikipedia article about the Social Democratic Party, a predecessor of the Liberal Democrats. - http://en.wikipedia.org/wiki/Social_Democratic_Party_(UK)
Liberal Party (UK) - Wikipedia article about the Liberal Party, a predecessor of the Liberal Democrats. - http://en.wikipedia.org/wiki/Liberal_Party_(UK)
Radicals (UK) - Wikipedia article about the Radicals party, a predecessor of the Liberal Party. - http://en.wikipedia.org/wiki/Radicals_(UK)
Whig - Wikipedia article about the Whig party, a predecessor of the Liberal Party. - http://en.wikipedia.org/wiki/Whig
Liberal Democrat Manifestos - Provides the text of all Liberal Party, SDP and Liberal Democrat General Election manifestos from 1900 to the present. - http://www.libdemmanifesto.com/
Liberal Party Leaders - Liberal and Liberal Democrat leaders in the House of Commons and the Lords from 1834 to the present. Includes election results for Thorpe, Steel, Ashdown and Kennedy. - http://www.election.demon.co.uk/libleaders.html
Liberal Democrat History Group - Researching historical topics, particularly those relating to the Liberal Democrats, Liberal Party and the SDP. Site includes a detailed history of the Liberal Party and its successors, bibliographies and other resources. - http://www.liberalhistory.org.uk/