Thirty-four letters, 1886-1907, to William Marcus Thompson (1857-1907), barrister-at-law, mostly relating to his editorship of Reynolds's Newspaper and to political life, in particular the activities of the Independent Labour Party and the Social Democratic Federation. The correspondents include Horatio Bottomley (3) 1899-1905, H. Hamilton Fyfe (1) 1894, David Lloyd George (1) 1901, H. M. Hyndman (3) 1893-4, and Benjamin Tillett (2) 1899-1901. Also included are a few legal and other papers.