References

1. Zalta, Edward N. "Gottfried Wilhelm Leibniz" The Metaphysics Research Lab. 2004. Stanford University. 8 Nov 2004.<http://mally.stanford.edu/index.html>

2.Weisstein, Eric. "Leibniz, Gottfried(1646-1716)" Eric Weisstein's World of Science. Wolfram Research Project. 10 Nov 2004.<http://scienceworld.wolfram.com/biography/Leibniz.html>

3.Kemerling, Garth. "Leibniz" Philosophy Pages. 7 Aug 2002. <http://www.philosophypages.com/ph/leib.htm>

4.Wilkins, D.R. "Gottfried Wilhelm Leibniz" The History of Mathematics. Trinity College School of Mathematics. 29 Nov 04.<http://www.maths.tcd.ie/pub/HistMath/People/Leibniz/RouseBall/RB_Leibnitz.html>

5.Redshaw, Kerry."Gottfried Wilhelm Leibniz" 5 October 1997. <http://www.kerryr.net/pioneers/leibniz.htm>