^Grinnell, George. Brief History of the Boone and Crockett Club. New York, New York: Forest and Stream Publishing Company. 1910: 7.
^New Antelope house(PDF). nytimes.com (New York Times). November 27, 1903 [February 28, 2011]. "The antelope house at the Bronx Zoological Park was opened to the public yesterday."
^Taft Enjoys Trip To The Bronx Zoo(PDF). nytimes.com (New York Times). May 24, 1911 [February 28, 2011]. "President Taft paid a two-hour visit to the Bronx Zoological Gardens yesterday afternoon, as the guest of the New York Zoological Society."