The University of Wisconsin Data and Information Services Center is a research organization that provides educational resources on social sciences, including religion.

Britannica.com has a religions page that provides educational resources and information on religion.

The National Paralegal College’s website has a page about the Establishment Clause of the Constitution; it includes several examples of situations in which Establishment Clause debates might arise.

Read a January 2011 article posted by Americans United for Separation of Church and State about the efforts of high-profile Tea Party members to promote in Congress the doctrine that America is a “Christian nation.”

Det norske Hedningsamfunn (Norwegian Hedningsamfunn) is a Norwegian atheist organization which works to remove religious privileges from Norwegian society.

Hofesh is an Israeli organization which works to create a more secular Israel.

Ateistisk Selskab (Atheistic Society) is a Danish atheist advocacy organization. Contact press and communications officer Kurt Bilsbo.

Human-Etisk Forbund (Norwegian Humanist Association) is based in Oslo and works to develop humanism and contribute to ensuring that people may practice their humanist life stance.