If the file of the Oxford and Consul is of interest, the the Air-Britain Book The Oxford, Consul & Envoy File by John Hamlin "Built in large numbers from 1938 at a number of factories, the Airspeed Oxford was a successful military training aircraft, remaining in RAF service until 1956. A versatile aircraft, it was used by units ranging from the Flying Training Schools to Beam Approach Training Flights and a wide range of Communication Flights. For many years, operational squadrons used Oxfords as 'hacks'. They also went in large numbers to serve in South Africa, Australia, Canada, Rhodesia and New Zealand, where RAF crews received their training under better weather conditions than at home! After the war, large numbers of Oxfords were sold on for use by foreign air forces, or conversion to civil Consuls, or for scrap. The career of the Oxbox finally came to a conclusion with the end of the Korean War. The full story of the Airspeed Envoy series & civil Consul is also presented in the 284-page A4 hardback book. Scores of black & white photographs" will provide you with even more on these aircraft - click on https://www.air-britain.co.uk/actbooks/acatalog/Special_Offers.html
The following were used by British Overseas Airways Corp. (BOAC) to fly fast services to Sweden, Carrying newsprint outbound and ball bearings on the return flight. This became famous as the "Ball Bearing Run". occasional passengers were carried in a special sling type seat in the bomb bay.