37. 'File 61/8 Bin Saud's Relations with Trucial Chiefs' Date: 1923/1939 Language: English Geographic region: Trucial StatesBūshehrAbū-ShahrHormuz Isle
38. Qatar Order in Council, 1938 Date: 1938/1938 Language: English Geographic region: BūshehrAbū-ShahrHormuz Isle
40. Sketch map of Trucial Coast and southern part of Persian Gulf Date: 1926/1926 Language: English Geographic region: Trucial StatesBūshehrAbū-ShahrHormuz Isle
41. Title deed plan of land at Umm al Hasam, Manamah Date: 1944/1944 Language: Arabic Geographic region: JufairJazīreh-ye Hengām
42. Title deed plan of land at Ghosaibia, Manamah Date: 1944/1944 Language: Arabic Geographic region: JufairJazīreh-ye Hengām
43. A map showing the Turco-Persian frontier Date: 1921/1921 Language: English Geographic region: RaikanNērva
44. Sketch map of Bahrain and surrounding ports Date: 1919/1919 Language: English Geographic region: ZubarahAl-Hasa
45. Sketch map of Bahrain and surrounding ports Date: 1920/1920 Language: English Geographic region: ZubarahAl-Hasa
46. A sketch map of Zubarah and surrounding area Date: 1948/1948 Language: English Geographic region: ZubarahBahrainBūshehr