Allard, Dean, and Marc Milner. 2003. “Special Review of W.A.B. Douglas, Roger Sarty and Michael Whitby, Et Al, No Higher Purpose. The Official Operational History of the Royal Canadian Navy in the Second World War, 1939-1943, Volume II”. The Northern Mariner Le Marin Du Nord 13 (3):49-54. https://doi.org/10.25071/2561-5467.561.