1. 'File 8/90 MUSCAT STATE AFFAIRS: ECONOMIC & INDUSTRIAL DEVELOPMENT IN MUSCAT TERRITORY' Date: 1946/1948 Language: English
2. Coll 30/142 'Visit of Danish fishing vessel chartered by Iranian Govnt.' Date: 1936/1941 Language: English
3. Coll 30/225 'Economic development of Gulf States: (Agriculture and Fisheries) Water Scheme for Muscat.' Date: 1947/1949 Language: English