1. 'British protectorate over the Arabian coast from Shaikh Said to Oman (Muscat)' Creator: Author: India Office, Assistant Secretary to the Political and Secret Department, Date: 1887/1887 Language: English Geographic region: AdenMuscatHadramaut Coast
2. Coll 6/20 'Red Sea: Reports of proceedings of H.M. Ships.' Date: 1931/1945 Language: English Geographic region: Red SeaGulf of AdenHadramaut CoastQishn
3. Coll 1/29 'Aden Protectorate: legal status of subjects of the Hadhramaut; reports on Hadramis in Mecca, 1936, by the British Legation, Jeddah' Creator: Author: Indian Vice-Consul, Jeddah Date: 1924/1936 Language: English Geographic region: Hadramaut Coast
