The fonds consists primarily of letters written during World War I to Drake's sister Daisy Molson and sister's husband, John Dunham Molson. Letters are accompanied by transcriptions and biographical material prepared by Martha E. McKenna. Also included are newspaper clippings dated 1915-1918 on Drake and the Canadian Army Medical Corps hospital run by McGill, one pocket notebook documenting Drake's time with the CAMC in France from 1915-1916, and a membership card to the Royal Club for Ladies from Beyond the Seas, dated 1919.

The fonds includes a copy of No. 3 Canadian General Hospital (McGill), 1914-1919 owned by Walter de M. Scriver and ephemera relating to Canadian General Hospital No. 3. It also contains a handwritten poem entitled "Tune of T'anks," composed by Scriver for his family and dated France, 1915.