1. 'File 61/11 IX (D 159) Nejd-Hejaz Miscellaneous' Date: 1939/1942 Language: English Geographic region: Al KharjSyriaUnited States of America
3. '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
4. 'File 8/90 MUSCAT STATE AFFAIRS: ECONOMIC & INDUSTRIAL DEVELOPMENT IN MUSCAT TERRITORY' Date: 1946/1948 Language: English
5. 'File 8/90 II ECONOMIC, Agricultural & INDUSTRIAL DEVELOPMENT IN MUSCAT TERRITORY' Date: 1948/1950 Language: English Geographic region: Dhofar