1. Coll 6/4(2) 'Asir: Relations between Saudi Arabia and the Yemen.' Date: 1933/1934 Language: English Geographic region: NajranʻAsīr
2. Coll 6/7(1) 'The Yemen: Relations between H.M.G. and the Imam.' Creator: Author: Committee of Imperial Defence, Standing Official Sub-Committee for Questions Concerning the Middle East Date: 1906/1932 Language: English Geographic region: NajranAl'AinWadi BeihanYemen
