Letter to Harvey Cushing, March 21, 1921
Letter to Harvey Cushing, January 7, 1921
Letter to Harvey Cushing, September 1, 1921
Letter to Harvey Cushing, September 1, 1921
Letter to William Osler, January 7, 1887
Letter to William Osler, January 21, 1890
Letter to Henry Vining Ogden, January 19, 1891
Letter to William Osler, February 24, 1886
Letter to William Osler, January 19, 1891
Letter to Charlotte Osler, January 24, 1893
Letter to William Osler, March 10, 1886