1. 'Mesopotamia: customs tariff' Creator: Author: HM Ambassador to the Ottoman EmpireAuthor: Civil Commissioner, Mesopotamia Date: 1919/1919 Language: English Geographic region: Mesopotamia
2. 'Memorandum by the Political Secretary, India Office, on German press opinion regarding the Middle East' Creator: Author: India Office, Secretary to the Political and Secret Department Date: 1916/1916 Language: English Geographic region: GermanyTurkey
4. Persian Gulf Affairs Date: 1847/1847 Language: English Geographic region: Turkish ArabiaPersian GulfOttoman Empire
6. File 4640/1928 Pt 4 ‘Muscat: Future policy in. Tariffs. (April 1932- )’ Date: 1932/1940 Language: English Geographic region: Sultanate of Muscat and Oman
7. File 4640/1928 Pt 4 ‘MUSCAT: FUTURE POLICY IN. Tariffs.’ Date: 1928/1932 Language: English Geographic region: United States of AmericaSultanate of Muscat and OmanFranceSur
8. File 5015/1919 Pt 1-3 'PERSIA:- REVISION OF CUSTOMS TARIFF' Date: 1919/1923 Language: English Geographic region: Persia