Certificates, 1897, 1899, of membership of the South African Association of Engineers and Architects, 1892., 1892, 1897, 1899., Ch.17414-17415. Certificates and formal documents from the papers of Charles Murray, the poet and South African civil servant., Ch.17411-17423. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/7349 Accessed April 26, 2024.