Mario Portillo - Astronomy Blog
Thursday, March 6, 2014
James Keeler Biography Sources
http://astronomycompendium.wikispaces.com/Keeler,+James+Edward
http://www.lcas-astronomy.org/articles/display.php?filename=james_e_keeler&category=biographies
http://johnbrashear.tripod.com/bio/KeelerJ.htm
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