A searchlight on Germany: Germany's Blunders, Crimes and Punishment — William T. Hornaday
Popular Official Guide to the New York Zoological Park (September 1915) / Thirteenth Edition — William T. Hornaday
The Extermination of the American Bison — William T. Hornaday
The Mentor: Game Animals of America, Vol. 4, Num. 13, Serial No. 113, August 15, 1916 — William T. Hornaday
The Minds and Manners of Wild Animals: A Book of Personal Observations — William T. Hornaday
