1. Coll 6/47 'Yemen: Relations between Italy and the Imam of the Yemen.' Date: 1926/1939 Language: English Geographic region: Jebel Zukur IslandSheikh Said
2. Coll 6/53 'Red Sea: The Hanish Islands.' Date: 1928/1935 Language: English Geographic region: Hanish IslandsJebel Zukur IslandSouth-West Haycock Island