A file of letters from William H. Gladstone to Dr Charles Russell. Includes a letter thanking Dr Russell for a pamphlet. Refers to the death of Lord and Lady Kildare's daughter (2 January 1867, 4pp). Includes a letter assuring Dr Russell that he will make an appeal to his father (W.E. Gladstone) on behalf of '...Mr. Du Noyer's family...' (the artist George Victor Du Noyer). (13 May 1871, 2pp).

A file of letters from William E. Gladstone to Dr Charles Russell concerning research on British history that both men are involved in. Includes a letter referring to correspondence held in the Vatican Archives that would be of interest (20 August 1864, 3pp). Includes a letter referring to Maynooth College and repairs that need to be carried out (16 November 1864, 4pp).