Sylvester Howard Roper (Finnish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sylvester Howard Roper" in Finnish language version.

refsWebsite

Global rank Finnish rank

1books.google.com

3^rd place

75^th place

1motorcyclemuseum.org

low place

9,631^st place

1positiveshooting.com

low place

low place

books.google.com

Robinson, Ted: Roper's steam - America's first car. Popular Mechanics, Lokakuu 1965. Artikkelin verkkoversio. Viitattu 12.4.2011. (englanniksi)

motorcyclemuseum.org

Sylvester Roper Motorcycle Hall of Fame. Viitattu 12.4.2011. (englanniksi)

positiveshooting.com

A History of Repeaters positiveshooting.com. Viitattu 12.4.2011. (englanniksi)