Sources

**__//Book Resources//__**

 * //The Grolier Library of SCIENCE BIOGRAPHIES. volume 8 PARTINGTION-SALISBURY.//


 * Bruno, Leonard C., and Lawrence W. Baker. //Math & Mathematicians. the History of Math Discoveries around the World//. Detroit: U·X·L, 1999. Print.

__//**Internet Sources**//__

 * "Visual Calculus - Riemann Sums - 4." //Visual Calculus - Riemann Sums - 4//. Web. 11 May 2012.


 * "Bernhard Riemann (German Mathematician) : Introduction." //Encyclopedia Britannica Online//. Encyclopedia Britannica. Web. 11 May 2012.