1. 'File 35/64 III Minerals in Oman. Madrasai geologists' researches' Date: 1901/1912 Language: English
2. 'File 35/64 Mineral deposits in Dhofar' Date: 1943/1943 Language: English Geographic region: Dhofar
4. 'File 8/90 III ECONOMIC AGRICULTURAL & INDUSTRIAL DEVELOPMENT IN MUSCAT TERRITORY.' Creator: Author: Director of Agriculture Date: 1950/1951 Language: English Geographic region: Batinah Coast
5. 'File 8/90 II ECONOMIC, Agricultural & INDUSTRIAL DEVELOPMENT IN MUSCAT TERRITORY' Date: 1948/1950 Language: English Geographic region: Dhofar
6. PZ 2855/1932 'Southern Arabia: Enquiry from Mr F.B. Lacy regarding possible presence of mineral deposits.' Date: 1932/1933 Language: English Geographic region: Dhufar
