India Office Political and Secret Department Confidential Memoranda: B 409 Precis of Treaties and Engagements between the British Government and the Chiefs of the Arabian Coast of the Persian Gulf
India Office Political and Secret Department Confidential Memoranda: B 406 Question of British Consular Representation in El Hasa and Qatif, J. G. Laithwaite
India Office Political and Secret Department Confidential Memoranda: B 422 Exercise of Jurisdiction in Cases affecting Foreign Subjects in Bahrein by the British Political Authorities, J. G. Laithwaite