Letter to William Osler, (1907 ?)
Letter to William Osler, April 1, 1887
Letter to William Osler, April 1, 1900
Letter to William Osler, April 1, 1916
Letter to William Osler, April 1, 1919
Letter to William Osler, April 13, 1886
Letter to William Osler, April 13, 1889
Letter to William Osler, April 14, 1908
Letter to William Osler, April 16, 1897
Letter to William Osler, April 19, 1866