Bibliography
Invention Bibliography
Girdler, Allan (February 1998), "First Fired, First Forgotten", Cycle World(Newport Beach, California: Hachette Filipacchi Media U.S.) 37 (2):62–70,ISSN 0011-4286
Cochrane, W. R. (1895), History of Francestown, N.H. : from its earliest settlement
April, 1758, to January 1, 1891 : with a brief genealogical record of all the Francestown families, Francestown, N.H., pp. 317, 903–904
"Died in the Saddle", Boston Daily Globe: 1, 2 June 1896
Roper Motorcycle. [online image] March 10, 2013 <http://www.hope1842.com/images/RoperMotorcycleA.jpg>
Sylvester Roper. [online image] March 10, 2013 <http://motorcyclemuseum.org/halloffame/detail.aspx?RacerID=264>
Roper. [online image] March 10, 2013 < http://daimlermotorcycle.com/Roper.htm>
Roper-Steam-Velocipede. [online image] March 10, 2013 <http://steamtraction.farmcollector.com/Equipment/Roper-Steam- Velocipede.aspx>
Girdler, Allan (February 1998), "First Fired, First Forgotten", Cycle World(Newport Beach, California: Hachette Filipacchi Media U.S.) 37 (2):62–70,ISSN 0011-4286
Cochrane, W. R. (1895), History of Francestown, N.H. : from its earliest settlement
April, 1758, to January 1, 1891 : with a brief genealogical record of all the Francestown families, Francestown, N.H., pp. 317, 903–904
"Died in the Saddle", Boston Daily Globe: 1, 2 June 1896
Roper Motorcycle. [online image] March 10, 2013 <http://www.hope1842.com/images/RoperMotorcycleA.jpg>
Sylvester Roper. [online image] March 10, 2013 <http://motorcyclemuseum.org/halloffame/detail.aspx?RacerID=264>
Roper. [online image] March 10, 2013 < http://daimlermotorcycle.com/Roper.htm>
Roper-Steam-Velocipede. [online image] March 10, 2013 <http://steamtraction.farmcollector.com/Equipment/Roper-Steam- Velocipede.aspx>