Name
- Political Resident, Persian Gulf, 1822-19712
- Emir of Kuwait, 1718-1
- Emir of Mohammerah, c 1800-19361
- Emir of Sharjah, al-Qāsimī dynasty, 1866-1
- Foreign Office, 1782-19681
- Foreign Office, Political Intelligence Department, 1918-19461
- German Chargé d’Affaires, Tehran, Early 20th century1
- German Consul, Bushire, Early 20th century1
- Government of India, Foreign and Political Department, 1783-19371
- Government of Persia, Qājār dynasty, 1794-19251
- Government of the German Empire, 1871-19181
- HM Ambassador to Iran, 1807-19801
- King of Bahrain, 1783-1
- Robert Wönckhaus and Company, 1890s-Early 20th century1
- Shāh of Persia, Qājār dynasty, 1794-19251
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19701