Letter to Coles, April 24, 1915
Letter to Colophon Club, July 29, 1919
Letter to Cottesloe, October 3, 1919
Letter to Editor of Guy's Hospital Gazette, February 6, 1919
Letter to Editor of the Lancet, October 13, 1917
Letter to Editor of the London Times, June 19, 1915
Letter to Editor of the New York Sun, June 16, 1908
Letter to Editor of the Spectator, November 4, 1911
Letter to Editor of The Times, August 27, 1914
Letter to Editor of the Times, December 28, 1918