Operation of Lines: Report on the Railway System of Southern Rhodesia under the Railways Enquiry Act, 1924 (1925) Report upon the Administration, Organisation and Working of the Natal Government Railways (1903) Memorandum on Railway and Harbours Working and Finance (1933) Report on the Sierra Leone Government Railway (1922), Report on the Railway Systems of Kenya, Uganda and Tanganyika (1921), Report on the Railway System of Tanganyika Territory (1930).