13. Coll 30/126 'Persian Gulf. Construction of Naval Bases at Khor Quwai & Bahrain' Date: 1936/1947 Language: English Geographic region: Khor KuwaiJufair
14. Coll 30/206 'Bahrein Naval Wireless Station.' Date: 1940/1944 Language: English Geographic region: Jufair
15. Coll 30/65 'Persian Gulf. Bahrain. Purchase of land at Bahrain by H.M.G. for naval and R.A.F. purposes' Date: 1933/1939 Language: English Geographic region: Bahrain
16. Coll 30/97 'Importation of naval stores into Henjam.' Date: 1934/1934 Language: English Geographic region: Henjam
17. File 759/1912 'Henjam Coal Depot: Persian Customs' Date: 1912/1923 Language: English Geographic region: BassiduHenjam