Letter to Sir Archibald Garrod, August 19, 1902
Letter to Margaret E. Charlton, July 11, 1902
Letter to Margaret E. Charlton, July 5, 1902
Letter to Frieda C. (Elizabeth) Thies, July 27, 1902
Letter to Charles Ferdinand Martin, July 16, 1902
Letter to Frieda C. (Elizabeth) Thies, July(?) 21, 1902
Letter to Francis R. Packard, July 28, 1902
Letter to Francis R. Packard, 1902
Letter to William Sydney Thayer, 1902
Letter to William Sydney Thayer, July 27, 1902