Letter to Leonard L. Mackall, June 28, 1910
Letter to Whitelaw Reid, December 27, 1910
Letter to Arnold Carl Klebs, June 25, 1910
Letter to Henry Barton Jacobs, December 24, 1910
Letter to Charles Nicoll Bancker Camac, December 22, 1910
Letter to Henry Barton Jacobs, June 20, 1910
Letter to F.G. Finley, December 22, 1910
Letter to Edward F. Milburn, June 18, 1910
Letter to Henry V. Ogden, December 22, 1910
Letter to Spencer Honeyman, December 15, 1910