The Acton Institute for the Study of Religion and Liberty promotes a free and virtuous society characterized by individual liberty and sustained by religious principles. The institute is ecumenical and defines itself as conservative. It is based in Grand Rapids, Mich. The Rev. Robert A. Sirico is president. Contact John Couretas, director of communications.    

The Society for Humanistic Judaism says it “offers a nontheistic alternative in contemporary Jewish life.” It was organized in Detroit in 1969 and has since added chapters and affiliated congregations around the United States.

The Muslim Observer is an online publication created in Detroit. Aslam Abdullah is editor.

The Islamic Schools League of America is a national organization that provides resources and networking to help Islamic schools improve the quality of education they provide. It’s based in Falls Church, Va.

The foundation works to promote unity and religious understanding among different groups of American Muslims. Its chairman is Sheik Muhammad Hisham Kabbani. The organization is based in Burton, Mich.

The Islamic Center of America in Dearborn, Mich., claims to be the largest mosque in the U.S. It is a Shiite mosque, and its congregation is predominantly Arab. Contact Imam Sayed Hassan Al-Qazwini.

The Dove Foundation reviews movies to see how they coincide with “the Christian worldview” and offers warnings about those that do not meet its criteria. You may contact The Dove Foundation through the website.

An institute of higher-education located in Michigan that offers programs in Islamic studies.

The American Ghost Society is a national network of ghost hunters, authors, ghost enthusiasts and psychical researchers who conduct investigations into the paranormal. They maintain a list of members and ghost hunters by state.