The National Archives >> Records created or inherited by the War Office, Armed Forces, Judge Advocate General, and related bodies >> Records of the Chief of the (Imperial) General Staff and its directorates >> War Office: Geographical Section General Staff: War of 1914-1918: West, South-West and East Africa Campaign: Maps >> WEST AFRICA: Maps of German West Africa from various series (Allied and German) at scales of 1:3 000 000 and larger >> Cameroons: Maps, town plans, telegraph and telephone diagrams, marine and railway engineering drawings and surveys of wrecks [blockships] in the Cameroon River sent to the War Office from Survey of Nigeria Office in Duala in May 1916