Letter to William Sydney Thayer, October 30, 1908
Letter to William Sydney Thayer, June 21, 1903
Letter to William Pepper, December 16, 1908
Letter to William Henry Welch, January 11, 1909
Letter to T.W. Clarke, June 1903
Letter to Sigmund Adolphus Knopf, October 20, 1908
Letter to Sigmund Adolphus Knopf, (1908?)
Letter to Sigmund Adolphus Knopf, (1908?)
Letter to Mrs. Daniel Coit Gilman, October 16, 1908
Letter to Mabel Brewster, December 31, 1908