1. "Keeler, James Edward." Complete Dictionary of Scientific Biography. Vol. 7. Detroit: Charles Scribner's Sons, 2008. 270-271. Gale Virtual Reference Library. Web. 18 Feb. 2011.
2. "Keeler, James Edward (1857-1900)." The Worlds of David Darling. Web. 18 Feb. 2011. <http://www.daviddarling.info/encyclopedia/K/Keeler.html>.
No comments:
Post a Comment