[Photocopy of] Report on the survey operations in the districts in the neighbourhood of Aden during 1891-92. By Cpt R A Wahab, RE, Deputy Superintendent, Survey of India Calcutta: [Survey of India Dept], 1893
British Central Africa: an attempt to give some account of a portion of the territories under British influence north of the Zambezi. By Sir Harry H Johnston, HM Commissioner and Consul-General in British Central Africa London: Methuen & Co, 1897
The map of Africa by treaty. Vol II. Great Britain & France to Zanzibar. Nos 103 to 208. With appendix and index. By Sir Edward Hertslet London: HMSO, 1894
The map of Africa by treaty. Vol I. Abyssinia to Great Britain (Colonies). Nos 1 to 102. By Sir Edward Hertslet London: HMSO, 2nd and revised edn, 1896
The map of Africa by treaty. Vol II. Great Britain & France to Zanzibar. Nos 103 to 208. By Sir Edward Hertslet London: HMSO, 2nd and revised edn, 1896
The map of Africa by treaty. Vol III. Appendix, alphabetical index and chronological list. By Sir Edward Hertslet London: HMSO, 2nd and revised edn, 1896
The map of Africa by treaty. Vol I. Nos 1 to 94. British colonies, protectorates and possessions in Africa. By the late Sir Edward Hertslet. Revised and completed to the end of 1908 by R W Brant, Librarian and Keeper of the Papers, and H L Sherwood, Foreign Office London: HMSO, 3rd edn, 1909