1. 'File 61/11 IX (D 159) Nejd-Hejaz Miscellaneous' Date: 1939/1942 Language: English Geographic region: Al KharjSyriaUnited States of America
2. Coll 6/35 'Hejaz-Nejd. Ownership of property by foreigners.' Date: 1930/1935 Language: English Geographic region: HejazSaudi Arabia
