America’s Voice is a pro-immigration organization that tracks public polling information about immigration.

The Guttmache Institute seeks to advance sexual and reproductive health through research, policy analysis and public education. Contact Rebecca Wind.

See Why Study Religion, a Web resource developed by the American Academy of Religion as an effort to encourage disciplined reflection on religion, both from within and outside of communities of belief and practice.

The Wabash Center for teaching and learning in theology and religion, in Crawfordsville, Ind., offers many online resources. Nadine Pence is the center’s director.

The Discovery Institute describes its mission as “to make a positive vision of the future practical.” It is one of the main proponents of intelligent-design theory in education.

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 J.M. Dawson Institute of Church-State Studies at Baylor University in Waco, Texas, is devoted to research in the broad area of religion, politics and society and committed to the separation of church and state and the advancement of religious liberty around the world.

The Center for the Study of Law and Religion at Emory University in Atlanta focuses on religion and the law worldwide. It is headed by John Witte Jr., a professor of law and ethics and an expert on religious liberty.

Medical Students for Choice, based in Philadelphia, is a group formed by medical students in 1993 to make sure abortion procedures are taught in medical school.