Information from the following sources was used in the compilation of these webpages. We encourage you to consult these works to broaden your knowledge of Harlow Shapley and his accomplishments.
'Great Debate' Obituary of Harlow Shapley: http://antwrp.gsfc.nasa.gov/htmltest/gifcity/shapley_obit.html
The Shapley - Curtis Debate in 1920: http://antwrp.gsfc.nasa.gov/diamond_jubilee/debate20.html
The Mysterious Milky Way: http://www.astrophys-assist.com/educate/mmw/mmw.htm
Harlow Shapley: http://everything2.com/index.pl?node=Harlow%20Shapley
Harlow Shapley: http://www.answers.com/topic/harlow-shapley
Harlow Shapley: http://en.wikipedia.org/wiki/Harlow_Shapley