Works Cited
"David Rittenhouse (1732-1796), University of Pennsylvania University Archives." University Archives and Records Center, University of Pennsylvania. Web. 06 Jan. 2011. <http://www.archives.upenn.edu/people/1700s/rittenhouse_david.html>.
"David Rittenhouse (American Astronomer and Inventor) -- Britannica Online Encyclopedia." Encyclopedia - Britannica Online Encyclopedia. Web. 06 Jan. 2011. <http://www.britannica.com/EBchecked/topic/504662/David-Rittenhouse>.
"David Rittenhouse." NNDB: Tracking the Entire World. Web. 06 Jan. 2011. <http://www.nndb.com/people/172/000172653/>.
"David Rittenhouse." Wikipedia, the Free Encyclopedia. Web. 06 Jan. 2011. <http://en.wikipedia.org/wiki/David_Rittenhouse
No comments:
Post a Comment