Letter books of T and A Constable containing wet-press copies of outgoing letters of the firm to Longmans, Green and Company., 1890-1929., MSS.23469-23484. 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://nlssb.as.atlas-sys.com/repositories/2/archival_objects/56805 Accessed September 24, 2024.