"No. 30491". The London Gazette (Supplement). 24 January 1918. p. 1172. Note: The rank of temporary captain usually denotes an appointment as a flight commander in the RFC.
"No. 30686". The London Gazette (Supplement). 17 May 1918. p. 5840.
"No. 30924". The London Gazette (Supplement). 28 September 1918. p. 11508.
"No. 30989". The London Gazette (Supplement). 2 November 1918. p. 12968.
"No. 31170". The London Gazette (Supplement). 8 February 1919. p. 2033.