^Tony Hadland and Hans-Erhard Lessing (2014). Bicycle Design, An Illustrated History. MIT Press. pp. 160–161. ISBN978-0-262-02675-8. The most famous of the rear-drive safeties introduced in 1885 was the Rover, produced in Coventry by John Kemp Starley.
^Herlihy, David V. (2004). Bicycle: History. Yale University Press. pp. 225. ISBN0-300-10418-9. The Rover pattern very quickly improved, and it not only prevailed as the universal bicycle style, it also triggered an unprecedented world-wide demand that culminated in the great boom.