1. '27/1 SALUTES AND EXCHANGES OF CALLS BETWEEN H.M.'s SERVICES AND ARAB RULERS.' Contributor: Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent) Date: 1931/1948 Language: EnglishArabic Extent: 1 file (274 folios)
2. 'File 21/20 Airways, Private Aviators' Contributor: Foreign Office (correspondent)French Embassy, London (correspondent)Political Resident, Persian Gulf (correspondent)British Embassy in Iraq, Baghdad (correspondent)Air Officer Commanding, Iraq (correspondent)Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent) Date: 1932/1939 Language: EnglishFrenchArabic Geographic region: Persian Gulf Extent: 1 volume (142 folios)
3. 'File 20/1- IV Ceremonials and Celebrations: New Year's a King's Birthday's Celebrations.' Contributor: Adviser to the Government of Bahrain (correspondent)Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent)Shaikh Hakim of Bahrain Salmān bin Ḥamad Āl Khalīfah (correspondent) Date: 1939/1944 Language: EnglishArabic Extent: 1 file (218 folios)
4. 'File 20/1- Vol: III Ceremonial and Celebrations: New Year's and King's Birthday's Celebrations.' Contributor: Adviser to the Government of Bahrain (correspondent)Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent) Date: 1935/1939 Language: EnglishArabicPersian Extent: 1 file (283 folios)
5. ‘File 20/2 Ceremonials & Honours. DEATHS IN ROYAL FAMILY AND OF OTHER BIG PERSONS’ Contributor: Persian Gulf Political Residency (correspondent)Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent)Shaikh Hakim of Bahrain Salmān bin Ḥamad Āl Khalīfah (correspondent) Date: 1927/1950 Language: EnglishArabic Extent: 1 file (127 folios)
6. 'File 20/3 CEREMONIALS AND HONOURS. Death of Shaikh Sir Isa bin Ali Al Khalifah, K. C. I. E., C. S. I., Ruler of Bahrain’ Contributor: Persian Gulf Political Residency (correspondent)Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent) Date: 1932/1933 Language: EnglishArabic Extent: 1 file (38 folios)
7. Coll 30/121 'Bahrain Oil Concession: Reservation by the Bahrain Petroleum Company of land not within the original reservation.' Contributor: Bahrain Petroleum Company (correspondent)Shaikh Hakim of Bahrain Ḥamad bin 'Īsá Āl Khalīfah (correspondent) Date: 1935/1937 Language: EnglishArabic Extent: 1 file (50 folios)
