1. Coll 6/20 'Red Sea: Reports of proceedings of H.M. Ships.' Date: 1931/1945 Language: English Geographic region: Red SeaGulf of AdenHadramaut CoastQishn
2. Coll 6/30 'Revolt in Northern Hejaz: Hejaz-Nejd – Transjordan Frontier Situation. Hejaz Relations with Egypt and Transjordan.' Creator: Author: Committee of Imperial Defence, Standing Official Sub-Committee for Questions Concerning the Middle East Date: 1932/1932 Language: English Geographic region: HejazTransjordan
3. Coll 6/53 'Red Sea: The Hanish Islands.' Date: 1928/1935 Language: English Geographic region: Hanish IslandsJebel Zukur IslandSouth-West Haycock Island
4. Coll 6/58 'Asir: Relations between Saudi Arabia and the Yemen.' Creator: Author: Kuwait Political AgencyAuthor: Political Residency, AdenAuthor: Bahrain Political Agency Date: 1914/1934 Language: English Geographic region: HodeidaʻAsīr
5. Coll 6/65 'Relations between Saudi-Arabia and the Yemen.' Date: 1934/1938 Language: English Geographic region: Hodeidah
