Liberal Party archives at the National Library of Wales.

Liberal and related archives at the University of Hull.

The papers of Neville Sandelson MP (Labour 1971-81, SDP 1981-83), at the British Library of Political & Economic Science.

An overview of the Liberal Party archive deposited in the Archives Division of the British Library of Political and Economic Science, and related Liberal Party material among the main library holdings.

The Thurso papers at the Churchill Archives Centre, Cambridge.

Liberal archives at the University of Bristol Library.

The Beveridge archives at the London School of Economics Library.

Liberal history archives at Manchester Archives and Local Studies.

The David Owen papers at the University of Liverpool.