File C.23/46 1939 Sec. War: suspicious persons: (1) Haji Yusaf Farah Interpreter of Naval Office, Aden; (2) Naher Hassan, Interpreter of the Aden Port Trust
File C.23/60 1939 Sec. War: allocation of expenditure between the Aden Settlement and the RAF in connection with the supply of water and electricity to the temporary and permanent camps at Sheikh Othman