1. 'Agreement relating to the Kalba Oil Concession [between] His Majesty's Government in the United Kingdom and Petroleum Development (Trucial Coast) Limited'

Date:

1940/1940

Language:

English

Geographic region:

Kalba

2. 'CONFIDENTIAL VOL. B.58. 86/7-X P.C.L. TRUCIAL COAST'

Date:

1938/1941

Language:

English

Geographic region:

Abu Dhabi
Ajman
Kalba

3. Coll 30/147 'Trucial Coast: Kalba Affairs & Succession'

Date:

1936/1948

Language:

English

Geographic region:

Kalba