Name
- Abū Khayl, Family, 20th century1
- Admiralty War Staff, Naval Intelligence Division, 1912-19642
- Admiralty, Naval Intelligence Department, 1887-19121
- Air Ministry, 1918-19642
- Air Officer Commanding, Iraq, 1921-19551
- Al Nu’aymi, Family, 18th century-1
- Anglo-Iranian Oil Company Limited, 1909-19541
- Baghdad Railway, 1903-1
- Banū Ka‘b, Tribe, c 1740-c 18401
- Barzanjī, Maḥmūd, Kurdish nationalist leader, 1878-19561
- Birdwood, Richard Lockington, army officer, 1879-19142
- Cairo Intelligence Department, Arab Bureau, Basra Branch, 1916-19203
- Committee of Imperial Defence, Historical Section, 1914-19391
- D'Arcy, William Knox, petro-chemical industrialist, 1849-19171
- Director-General of Port Administration and River Conservancy, Basra, 19141
- Division of the Chief of the Staff, Army Head Quarters, India, Early 20th century4
- East India Company, 1600-18582
- Emir of Mohammerah, c 1800-19361
- Emir of Qatar, Mid 19th century-1
- Foreign Office, Historical Section, Early 20th century2