Name
- Political Resident, Persian Gulf, 1822-19713
- Government of India, Foreign and Political Department, 1783-19372
- King of Bahrain, 1783-2
- Shāh of Persia, Qājār dynasty, 1794-19252
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19702
- British Legation, Tehran, c 1836-19441
- Cable and Wireless Ltd, 1929-19811
- Emir of Abu Dhabi, Āl Nahyān dynasty, 1761-1
- Emir of Dubai, Āl Maktūm dynasty, 1833-1
- Emir of Kuwait, 1718-1
- Emir of Mohammerah, c 1800-19361
- Emir of Umm al-Qaywayn, Āl Mu‘allā dynasty, Late 18th century-1
- Foreign Office, 1782-19681
- Foreign Office, Political Intelligence Department, 1918-19461
- Government of Bombay, 1662-19471
- Government of India, 1834-19471
- Government of Iran, Pahlavi dynasty, 1925-19791
- Government of Persia, Qājār dynasty, 1794-19251
- Government of the Russian Empire, 1721-19171
- Imam of Oman, 750-20091