Letter books of T and A Constable containing carbon copies of outgoing letters of the firm to Messrs Hodder and Stoughton, London., 1929-1945., MSS.23494-23498. Letter books, correspondence and other records of the printing firm of T and A Constable, Edinburgh, together with records of the Edinburgh Press, which was amalgamated with the firm in 1936., MSS.23237-23617. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/56835 Accessed April 26, 2024.