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Sources in the Manuscripts Division of the National Library of Scotland for the study of the Liberals and Liberal Democrats

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Liberal Party Archives at the National Library of Wales

Liberal Party Archives at the London School of Economics (BLPES)

The London Liberal Foundation and London Liberal Party records

The University of Hull’s Brynmor Jones Library (BJL) has been collecting political archives and manuscripts ever since the foundation of the university, initially a college of London University, in 1928