Letter to Dr. Cushing, February 9, 1899
Letter to Harvey Cushing
Letter to Harvey Cushing, April 1, 1914
Letter to Harvey Cushing, April 1, 1914
Letter to Harvey Cushing, April 12, 1910
Letter to Harvey Cushing, April 12, 1910
Letter to Harvey Cushing, April 13, 1906
Letter to Harvey Cushing, April 13, 1906
Letter to Harvey Cushing, April 14, 1912
Letter to Harvey Cushing, April 14, 1912
Letter to Harvey Cushing, April 14, 1919
Letter to Harvey Cushing, April 19, 1911
Letter to Harvey Cushing, April 19, 1911
Letter to Harvey Cushing, April 22, 1915
Letter to Harvey Cushing, April 22, 1915
Letter to Harvey Cushing, April 26, 1911
Letter to Harvey Cushing, April 26, 1911