85. Sketch map of Bahrain and surrounding ports Date: 1920/1920 Language: English Geographic region: ZubarahAl-Hasa
86. A sketch map of Zubarah and surrounding area Date: 1948/1948 Language: English Geographic region: ZubarahBahrainBūshehr
87. 'File 19/243 III (C 95) Zubarah' Date: 1937/1946 Language: English Geographic region: ZubarahBahrainBūshehr
89. ‘File 19/98 II, 128 (C 10) Naphta Spring Near Halul Island + Miscellaneous Correspondence + Viceroy’s Interview 1901. 19/98 II Asphalt Deposit’ Date: 1901/1911 Language: English Geographic region: BahrainBūshehr