Letter to Harvey Cushing, May 8, 1926
Letter to Harvey Cushing, May 8, 1926
Letter to Harvey Cushing, May 6, 1926
Letter to Harvey Cushing, May 6, 1926
Letter to Harvey Cushing, January 27, 1926
Letter to Harvey Cushing, January 27, 1926
Letter to Harvey Cushing, April 21, 1926
Letter to Harvey Cushing, April 21, 1926
Letter to Harvey Cushing, March 20, 1926
Letter to Harvey Cushing, March 20, 1926
Letter to Harvey Cushing, July 8, 1925
Letter to Harvey Cushing, July 8, 1925
Letter to Harvey Cushing, July 21, 1925
Letter to Harvey Cushing, July 21, 1925
Letter to Harvey Cushing, July 27, 1925
Letter to Harvey Cushing, July 27, 1925
Letter to Robert M. Yerkes, July 13, 1925
Letter to Robert M. Yerkes, July 13, 1925
Letter to Harvey Cushing, September 17, 1925
Letter to Harvey Cushing, September 17, 1925