Name
- Aga Khan III, 1877-19571
- Ahmed Fakhroo & Bros, fl 1943-19471
- Ambassador of France to the United Kingdom, Early 18th century-2
- Atkinson, Ainslie, Childs-Clarke & O'Donovan, fl Mid 20th century1
- Board of Trade, 1786-19702
- Burne, Owen Tudor, Knight, army officer, 1837-19092
- Colonial Office, 1854-19661
- Dominions Office, 1925-19471
- Foreign Office, 1782-19682
- Foreign Office, Eastern Department, 1886-19681
- French Consul, Muscat, 1894-19202
- Goldsmid, Frederic John, Knight, army officer and writer, 1818-19081
- Government of Afghanistan, Bārakzāy dynasty, 1842-19731
- Government of France, Third Republic, 1871-19401
- Government of India, 1834-19471
- Government of India, Foreign Secretary, 1843-19371
- Government of Persia, Qājār dynasty, 1794-19253
- HM Ambassador to Iran, 1807-19804
- HM Chargé d'Affaires to Jeddah, 1930-Mid 20th century1
- High Commissioner, Palestine and Transjordan, 1920-19482