Letter to Arthur T. Hadley, July 10, 1912
Letter to Harvey Cushing, April 3, 1920
Letter to Harvey Cushing, April 3, 1920
Letter to Thomas Archibald Malloch, July 4, 1918
Letter to M.W. Blogg, January 3, 1919
Letter to Wilburt Cornell Davison, April 1, 1919
Clipping, (1906 ?)
Letter to Harvey Cushing, April 29, 1926
Letter to Harvey Cushing, April 29, 1926
Letter to Marcia C. Noyes, January 3, 1914
Letter to Henry V. Ogden, January 1, 1909
Letter to George Sarton, ( 10, ? 1917?)