Eliezer Segal, a professor of religious studies at the University of Calgary, has a Web page explaining the “Varieties of Orthodox Judaism.” The page sets out the many branches of the movement.

The Association for the Social Scientific Study of Jewry describes itself as “a cross-disciplinary organization of individuals whose research concerns the Jewish people throughout the world.” The association is a valuable resource for experts and the latest research. Steven M. Cohen is the president.

Richard Peace is a theology professor at Fuller Theological Seminary in Pasadena, Calif., and can discuss belief in miracles. He is the author of Contemplative Bible Reading: Experiencing God Through Scripture, which describes Lectio Divina from an evangelical perspective, and Spiritual Journaling: Recording Your Journey Toward God.

Daniel Stout is a professor of journalism and media studies at the University of Nevada, Las Vegas, and is co-editor of the Journal of Media and Religion. He can speak about miracles, including the Mormon perspective.

David K. Clark is vice president and dean at Bethel Seminary in St. Paul, Minn., and has written about miracles in world religions.

Richard Kieckhefer is chairman of the religion department at Northwestern University in Evanston, Ill., and can discuss the history of miracles, magic and sainthood.

Paul Plenge Parker is chairman of the theology department at Elmhurst College in Elmhurst, Ill., and has written about miracles and healing.

Wendy Cotter is a Sister of St. Joseph and an associate professor of Scripture at the department of theology at Loyola University in Chicago. She has written about miracles in the Greco-Roman world and in the New Testament.

Delbert Burkett is an associate professor of New Testament and Christian origins in the department of philosophy and religious studies at Louisiana State University in Baton Rouge. He has written on the miracle stories in early Christianity.