Letter to Harvey Cushing, October 20, 1926
Letter to Harvey Cushing, October 20, 1926
Letter to Harvey Cushing, November 4, 1926
Letter to Harvey Cushing, November 4, 1926
Letter to Harvey Cushing, June 25, 1925
Letter to Harvey Cushing, June 25, 1925
Letter to Harvey Cushing, October 19, 1925
Letter to Harvey Cushing, October 19, 1925
Letter, September 4, 1923(?)
Letter, September 4, 1923(?)
Letter, September 4, 1923(?)
Letter, September 4, 1923(?)
Letter, December 21, 1923
Letter, December 21, 1923
Letter, November 24, 1923
Letter, November 24, 1923
Letter to Henry Barton Jacobs, August 27, 1923
Letter to Henri Amédée Lafleur, July 10, 1922