Letter to Harvey Cushing, October 6, 1926
Letter to Harvey Cushing, October 6, 1926
Working notes
Working notes
Letter to Harvey Cushing, January 9, 1926
Letter to Harvey Cushing, January 9, 1926
Letter to Harvey Cushing, January 11, 1926
Letter to Harvey Cushing, January 11, 1926
Letter to Harvey Cushing, January 12, 1926
Letter to Harvey Cushing, January 12, 1926
Letter to Harvey Cushing, January 13, 1926
Letter to Harvey Cushing, January 13, 1926
Letter to Harvey Cushing, January 29, 1926
Letter to Harvey Cushing, January 29, 1926
Letter to Harvey Cushing, February 15, 1926
Letter to Harvey Cushing, February 15, 1926
Letter to Harvey Cushing, February 16, 1926
Letter to Harvey Cushing, February 16, 1926
Letter to Harvey Cushing, March 16, 1926
Letter to Harvey Cushing, March 16, 1926