Descriptions of specimens, April 30-May 13, 1870
Letter to Elizabeth Osler, October 6, 1870
Note by William Francis , 1870
From W.O.'s Note book, Toronto, Jan. 1, 1870, 1870
Letter to Elizabeth Osler, October 6, 1870
Letter to William Osler, October 20, 1870
Letter to William Osler, December 25, 1870
Cushing's notes, Osler's student life, 1868-70
Cushing's notes, 1870
Letter to William Osler, October 5, 1870