The Pew Forum on Religion and Public Life provides provides a resources page listing religious groups’ official positions on same-sex marriage.

East Side Heart & Home works to develop affordable housing for low-income families. It’s a project of the Family Center of East St. Louis, St. Vincent DePaul Church in St. Louis, the Catholic Urban Program of East St. Louis and the East St. Louis Development Corp.

John M. Wagner is director of the Office for Community Development of the Catholic Archdiocese of Philadelphia, which works to provide affordable housing in the area.

Daniel Dombrowski is a professor of philosophy at Seattle University. He is the co-author of A Brief, Liberal, Catholic Defense of Abortion (University of Illinois Press, 2006).

Richard Doerflinger, deputy director of the Secretariat for Pro-Life Activities of the United States Conference of Catholic Bishops, is a bioethicist who writes frequently on euthanasia. He has written extensively on Roman Catholic teachings on bioethics and testified before Congress. Many of his articles are posted on the Pro-Life Activities bioethics web page.

Anne Hendershott is a professor of psychology, sociology and social work at Franciscan University of Steubenville in Ohio. She is the author of The Politics of Abortion (Encounter Books, 2006).

Creighton University, a Catholic institution in Omaha, Neb., offers an online Lenten retreat with African refugees.

Catholic publisher Loyola Press in Chicago offers a wide variety of online Lenten resources, among them a retreat and a Holy Week devotional based on the seven last words of Christ. Contact Director of communications at Loyola is Molly Hart.

Read a March 30, 2011, post on Mirror of Justice, a blog on Catholic legal theory, about the link between marriage and procreation.