51. Persian Gulf Affairs Date: 1842/1842 Language: English Geographic region: PersiaMauritiusPersian Gulf
52. Coll 30/131 'Persian Gulf. Pearling. American process for the manufacture of cultured pearls' Date: 1936/1936 Language: English Geographic region: Bahrain
53. Coll 30/8 'Persian Gulf - Pearling: Various Enquiries Concerning' Date: 1929/1948 Language: English Geographic region: BahrainPersian GulfSaudi Arabia
54. 'Memorandum respecting British interests in the Persian Gulf' Date: 1908/1908 Language: English Geographic region: Persian Gulf
56. File 3208/1908 Pt 3 ‘Persian Gulf: Taona piracy case’ Date: 1905/1913 Language: English Geographic region: Abu DhabiBandar-e Tahuneh
57. File 2830/1914 Pt 1 'Persian Gulf: Sponge Fisheries. Sponge Exploration Syndicate.' Date: 1905/1916 Language: English Geographic region: Persian Gulf
58. File 2830/1914 Pt 2 'Persian Gulf: Pearl Fisheries. Investigation into Alleged Depletion of Pearl Banks. Germans and the Industry. Concessions, etc.' Date: 1902/1914 Language: English Geographic region: BahrainPersian Gulf
59. File 13/7 'Japanese Trawlers for the Persian Gulf' Date: 1938/1938 Language: English Geographic region: Persian Gulf