"Fonds 98/25; 82/985 - G.W.L. Nicholson fonds", Archeion, Archives Association of Ontario. https://www.archeion.ca/g-w-l-nicholson-fonds
Gerald William Lingen Nicholson (1902-1980) was a historian and Director of the Historical Section, Army Headquarters, and an author of several books and articles. Born in England, he came to Canada in 1919 and attended Queen's University and the University of Toronto. He served in the Second World War, and joined the Army's Historical Section in 1943. He was later put in positions of authority in the Army's historical section in both London, England and in Ottawa. He retired in 1961.