39. 'Oman. Map of and Reports on by Major Ross' Creator: Author: Political Agent and Consul, Muscat Date: 1872/1872 Language: English Geographic region: Oman
40. ‘MAP OF OMÂN SHOWING DISTRIBUTION OF THE PRINCIPAL TRIBES. COMPILED FOR OFFICIAL USE BY Edward Charles ROSS, Political Agent, MUSCAT’ Date: 1872/1872 Language: English Geographic region: Oman
41. ‘REDUCTION TO SHOW RELATIONSHIP of the COMBINED PLANE TABLE AND PRISMATIC COMPASS SKETCH MAP OF THE COUNTRY BETWEEN JEBEL RŌDHAH, SOHAR AND IBRI, OMAN, ARABIA, WITH THE OMAN PENINSULA’ Date: 1926/1926 Language: English Geographic region: Oman
42. 'Masira Channel' Creator: Cartographer: Davies & Company Date: 1888/1888 Language: English Geographic region: Masira ChannelArabian SeaMasira IslandOman
43. 'Confidential 86/12-i A. 70 Petroleum Concessions Limited. MUSCAT' Date: 1936/1937 Language: English Geographic region: OmanMuscat
44. 'CONFIDENTIAL 86/12-ii A.75. P.C.L. MUSCAT' Date: 1937/1937 Language: English Geographic region: OmanMuscatDhofar
47. ‘Affairs of the Persian Gulf.’ Date: 1847/1848 Language: English Geographic region: OmanPersian Gulf