New Advent
That system of thought which is formally opposed to theism
http://www.newadvent.org/cathen/02040a.htm
Gora
Gora
http://www.positiveatheism.org/india/gora31.htm
NL Wikipedia
NL Wikipedia
http://nl.wikipedia.org/wiki/athe%c3%afsme
Secular Web
An introduction to atheism
http://www.infidels.org/library/modern/mathew/intro.html
Voltaire
Dictionnaire philosophique de voltaire en ligne intégral
http://www.voltaire-integral.com/17/atheisme.htm
Stanford Encyclopedia of Philosophy
Stanford Encyclopedia of Philosophy
http://plato.stanford.edu/entries/atheism-agnosticism
Wikipedia
Wikipedia
http://en.wikipedia.org/wiki/atheism