Cushing's notes, Osler's naturalist studies, ca. October 1, 1874
Letter to James Bovell (Jimmie) Johnson, December 4, 1874
Letter to Harvey Cushing, November 4, 1921
Letter to Francis John Shepherd, April 6, 1875
Letter to Ellen Osler, December 26(?), 1875
Cushing's notes on Osler, Wright, and Johnson, December 1874
From Dr. Malloch's Journal, Friday, December 17, 1915, December 17, 1915
Cushing's notes, Osler at McGill, 1874
Extract from the Canada Medical and Surgical Journal, 1875-6
Cushing's notes, Osler and smallpox, 1871 and 1875