Letter to Henry Phipps, May 26, 1904
Letter to Henry Barton Jacobs, December 24, 1910
Letter to Henry Vining Ogden, November 23, 1901
Letter to R.C. Cabot, May 24, 1904
Letter to W.H. Howell, October 23, 1902
Letter to C.N.B. Camac, November 21, 1901
Letter to Abraham Jacobi, October 25, 1904
Letter to Charles Nicoll Bancker Camac, December 22, 1910
Letter to Maude E. Abbott, December 27, 1900
Letter to Mabel Brewster, December 31, 1908