Correspondence with James Blaisdell 1910, 1912, 1915-1923
Correspondence with James Blaisdell 1913, 1915, 1918, 1920-1925, 1928, 1930, 1932, 1934-1936, 1942
Correspondence and clippings 1924-1926, 1946-1947, 1950
Correspondence with Charles Edmunds 1928-1941
Correspondence with E. Wilson Lyon 1941-1945