Hornaday, W.T. 1930. Popular official guide to the New York Zoological Park, 22nd ed. New York, Zoological Society.
Hornaday, W.T. 1924. Threatened quick extinction of the white rhinoceroses. Bulletin of the New York Zoological Society 27 (1): 12-15.
Hornaday, W.T. 1923. Popular official guide to the New York Zoological Park, 18th ed. New York, Zoological Society.
Hornaday, W.T. 1922. Popular official guide to the New York Zoological Park, 17th ed. New York, Zoological Society.
Hornaday, W.T. 1922. The minds and manners of wild animals; a book of personal observations. New York, C. Scribner.
Hornaday, W.T. 1918. Popular official guide to the New York Zoological Park, 15th ed. New York, Zoological Society. pp. 1-192.
Hornaday, W.T. 1915. Popular official guide to the New York Zoological Park, 13th ed. New York, Zoological Society.
Hornaday, W.T. 1913. Popular official guide to the New York Zoological Park, 12th ed. New York, Zoological Society.
Hornaday, W.T. 1913. Our vanishing wild life: its extermination and preservation. New York, New York Zoological Society. pp. i-xviii, 1-412.
Hornaday, W.T. 1911. Popular official guide to the New York Zoological Park, 11th ed. New York, Zoological Society.
Hornaday, W.T. 1911. Our white rhinoceros head. Bulletin of the New York Zoological Society 46: 782, fig. 1.
Hornaday, W.T. 1909. Popular official guide to the New York Zoological Park, 10th ed. New York, Zoological Society.
Hornaday, W.T. 1907. Popular official guide to the New York Zoological Park, 9th ed. New York, Zoological Society.
Anonymous; Hornaday, W.T. 1906. Costly baby (Black rhino, “Victoria”) in Park. New York Daily Tribune June 4th, 1906: page 4, 1 plate.
Hornaday, W.T. 1902. Popular official guide to the New York Zoological Park as far as completed, 5th ed. New York, Zoological Society.
Hornaday, W.T. 1896. [Henry A. Ward] The king of the Museum-builders. The Commercial Travelers Magazine 6 (2): 147-159.
Hornaday, W.T. 1885. Two years in the jungle: the experiences of a hunter and naturalist in India, Ceylon, the Malay Peninsula and Borneo. London, Kegan Paul and Trench. pp. i-xxii, 1-512.






