The Flag Service Organization in Clearwater, Fla., is referred to as the worldwide spiritual headquarters of the Church of Scientology. Contact through the website.

The website of the Hartford Institute for Religion Research has a New Religious Movements page with extensive links, including a listing of articles on Scientology.

Beliefnet summarizes some of Scientology’s basic tenets.

ReligiousTolerance.org posts information about the Church of Scientology.

An explanation of Scientology beliefs and practices can be found in “Scientology: The Marks of Religion,” which was written by Frank Flinn, an adjunct professor of religious studies at Washington University in St. Louis.

The Religious Movements Homepage Project provides extensive information and links on Scientology.

The “What is Scientology?” website explains the religion’s origins, principles, services and more. It also features a glossary of terms.

The website of the Church of Scientology International includes a wide range of information, as well as links to Scientology resources. Contact through the website.

Read a Nov. 26, 2012, article from The Washington Post discussing the relevance of Abraham Lincoln’s legacy to the social, political, and economic situations of today.