Jeremy Uecker is an assistant professor of sociology at Baylor University and co-author, with Mark Regnerus, of Premarital Sex in America: How Young Americans Meet, Mate and Think about Marrying (2010).

Philip Lyndon Reynolds is professor of historical theology and a senior fellow at the Center for the Study of Law and Religion at Emory University in Atlanta. He is the author of Marriage in the Western Church: The Christianization of Marriage During the Patristic and Early Medieval Periods.

David Kinnaman is president of the Barna Group, which conducts research on religious life within the United States and around the world.

The National Marriage Week USA website brings together the many activities that organizations throughout the country, including churches and houses of worship, are doing to strengthen marriage during National Marriage Week USA, Feb. 7-14 each year.

The National Association of Catholic Family Life Ministers works with the U.S. bishops to implement initiatives on behalf of marriage and family life. It also has contact with many other Catholic associations and groups that promote marriage and family life.

The United States Conference of Catholic Bishops provides a summary page on marriage and family. The page includes links to official documents from the Vatican and bishops, blessings and prayers for Catholic households and prayer cards for married couples.

Read the United Methodist Church’s statement on marriage and family. The site also provides links to the denomination’s statements on family, divorce and adoption, among other topics.

Read the Southern Baptist Convention’s position statement on marriage and sexuality. The site also includes marriage in a summary of the denomination’s basic beliefs.

Focus on the Family provides a summary page on marriage.