Correspondence and papers on Parliamentary By-Elections File includes: Correspondence and papers on the Chelmsford By-Election, Apr 1945, including notes by Ralph Assheton, Chairman of the Conservative Party (3), on selection of candidate, draft of message by the four party leaders WSC, Ernest Brown, Clement Attlee and Archibald Sinclair (later Lord Thurso), asking for support for the National Government Candidate, Brian Cook, letter from Cook, thanking WSC for support, draft of WSC's personal message of support.Correspondence and papers on the Scottish Universities By-Election, Apr 1945, including drafts of WSC's letter of support, with letter of thanks from the National Liberal candidate, Ronald Munro, letter from Alec Beechman MP, Liberal National Chief Whip, asking for letter of support for Munro.Correspondence and papers on the Caernarvon By-Election, Apr 1945, including draft of message by the four party leaders WSC, Ernest Brown, Clement Attlee and Archibald Sinclair (later Lord Thurso), asking for support for the National Government Candidate, Seaborn Davies.