Letter to Lewellys Franklin Barker, January 1, 1905
Letter to Charles Daniel Parfitt, January 2, 1905
Letter to G. Alder Blumer, January 6, 1905
Letter to James R. Chadwick, January 19, 1905
Letter to Irving P. Lyon, January 20, 1905
Letter to Charles Ferdinand Martin, February 6, 1905
Letter to Henry Phipps, February 14, 1905
Letter to Arthur Thomson, March 3, 1905
Letter to Charles L. Dana, March 4, 1905
Letter to Margaret E. Charlton, March 17, 1905