Fitzgerald, S. M. Diary 1907. Park Library, Mammoth, Wyoming.
Graham, S. D. Diary 1906, 1907, 1908. Park Library.
Harlan, W. B. “The Fiasco at Fort Fizzle—1936.” M. D. Beal Collection.
Holmes, W. H. Extracts from the Diary 1872, 1878. Park Library, Mammoth, Wyoming.
Langford, Nathaniel P. Diary, Second Trip to Yellowstone 1872. Park Library.
Little, Raymond G. Diary 1911, 1912. Park Library.
Louck, D. J. Journal in Manuscript. State Historian’s Office, Laramie, Wyoming.
Martin, Louis. Diary 1900, 1901. Park Library, Mammoth, Wyoming.
Mason, John E. Diary 1909. Park Library.
Matlock, Jesse M. “Dictation.” M. D. Beal Collection.