St. Louis World’s Fair Society Worlds Fair Society <1904worldsfairsociety@gmail.com>
Ferris Wheel News Letter Norman Anderson <norman@ncsu.edu>
Anderson, Norman D (1992). Ferris wheels – an illustrated history
Hydeparkhistory.org Chicago’s Great Ferris Wheel of 1893″.
Circles in the Sky: The Life and Times of George Ferris Weingardt, Richard G.