Barry Kosmin directs the Institute for the Study of Secularism in Society and Culture at Trinity College in Hartford, Conn. He has conducted polls on religion and society in the United States, Europe, Africa and Asia.

Barry G. Hankins is a professor of history and church-state studies at Baylor University in Waco, Texas. He is an expert on Christian conservatives and their interaction with American culture. He wrote the book Uneasy in Babylon: Southern Baptist Conservatives and American Culture.

Tony Perkins is president of the Family Research Council, which works to foster “a culture in which all human life is valued, families flourish, and religious liberty thrives.” He also leads the U.S. Commission on International Religious Freedom, which tracks religious persecution around the world.

Selected data from Freedom House’s  annual survey of political rights and civil liberties.

The Seventh-day Adventist Church has an official website with resources on beliefs and practices, missions and statements on the livelihood of practitioners and members. The website has a page with links to the church’s official statements on birth control, human rights, climate change and more than 100 other aspects of debate and culture.

News about religion in the world by the interdenominational news company Christian Today. Headquartered in the UK, the publication covers topics in the UK and the world, including entertainment, mission and ministries.

“A daily online magazine that publishes a mix of expert opinion, in-depth reporting, and provocative updates from the intersection of religion, politics and culture.”

Americans United for Separation of Church and State describes itself as a “nonpartisan organization dedicated to preserving church-state separation to ensure religious freedom for all Americans.”

A Beliefnet blog by Jay Sekulow, an expert on constitutional rights and religious liberties in the U.S.