170. Coll 28/55 ‘Persia. Anglo-Persian Oil Company. Relations with Persian Govt.’ Date: 1932/1933 Language: English
171. Coll 6/89 'Saudi Arabia: Approaches to Jedda Harbour. Interest of Standard Oil Co.' Date: 1938/1938 Language: English Geographic region: Jedda
172. Coll 28/81 ‘Persia. Concessions in; Activities of Mr C. C. Hart. Amiranian Oil Company’s Concession.’ Date: 1934/1941 Language: English
174. File 10/5 I Saudi Arabia: Hasa Oil Concession; visit of Major Holmes to Saudi Arabia; Kuwait blockade. Date: 1932/1935 Language: English Geographic region: Al-HasaKuwait
175. File 10/5 II Hasa oil: CASOC's activities in Hasa; development of Ras Tannura; Political Agent's visit to Hasa Date: 1935/1941 Language: English Geographic region: Al-Hasa