Letter to Margaret E. Charlton, May 3, 1902
Letter to Margaret E. Charlton, May 6, 1902
Letter to Henry Vining Ogden, June 16, 1902
Letter to Sir Archibald Garrod, January 2, 1903
Letter to W.H. Howell, March 20, 1902
Letter to Charles Ferdinand Martin, March 25, 1902
Letter to Charles Ferdinand Martin, May 8, 1902
Letter to Frederick Cheever Shattuck, May 15, 1902
Letter to Henry Vining Ogden, June 1, 1902
Letter to Henry Mills Hurd, June 7, 1902