Investigating Atheism is a rich website of the University of Cambridge. "What is Atheism" is a useful article on the American Atheists website.

Go to about.com for the Basics of Atheism & Agnosticism.

A Candid Word published "Persecution Today: Atheists Are the New Jews" in November 2008.

Little Book of Atheist Spirituality by Andre Comte, translated by Nancy Huston (New York: Penguin, 2008) will give you a nice sense of what many atheists do believe in.

Atheist Centre of the International Humanist and Ethical Union is committed to promoting Positive Atheism (per second definition on Fact Sheet) worldwide, especially in India.

Explore the relationship between Unitarian Universalism and Atheism by visiting Nexus, a UU Atheist Website. Faith of an Atheist is a sermon by Rev. Darcey Laine and Why Atheists Go to Church is another by Reverend Matt Tittle.

Short biographies of Mary McCarthy: from Encyclopedia Britannica, and Vassar College Library. Read part of McCarthy's Memories of a Catholic Girlhood on Googlebooks.

The Tennessee Encyclopedia of History and Culture has a short, interesting article on the utopian, free slave colony of Nashoba started by Frances Wright.