Official Brigade Orders and Special Orders published by the St John Ambulance Brigade for its branches overseas, and by the St John Ambulance Brigade Overseas (SJABO), a term which was first used c.1911. They concern regulation, personnel, reporting, and organisation of the SJABO, royal visits, uniform, recognition of services, War service, the 1913 centenary celebrations of The Grand Priory in the British Realm of the Venerable Order of the Hospital of St. John of Jerusalem, and SJABO Cadets.