Name
- Political Agent and Consul, Muscat, 1861-19714
- Survey Directorate Iraq, 20th century4
- Bahrain Petroleum Company, 1929-3
- British Agent, Gwadar, Mid 20th century3
- Government of India, 1834-19473
- Government of India, Foreign Secretary, 1843-19373
- Government of Saudi Arabia, Āl Sa‘ūd dynasty, 1932-3
- Government of the Russian Empire, 1721-19173
- Imam of Yemen, 897-19623
- Permanent Under-Secretary of State for India, 1858-19353
- Williamson, William Richard, explorer and oil company representative, 1872-19583
- Āl Sa‘ūd, Family, 1744-3
- Ambassador of the Russian Empire to the United Kingdom, 1706-19172
- British Legation to Saudi Arabia, 1930-19472
- British Legation, Tehran, c 1836-19442
- Burmah Oil Company Limited, 1886-19662
- Emir of Abu Dhabi, Āl Nahyān dynasty, 1761-2
- Emir of Ra's al-Khaymah, al-Qāsimī dynasty, 1866-2
- Emir of Sharjah, al-Qāsimī dynasty, 1866-2
- Foreign Office, Eastern Department, 1886-19682