Read the U.S. Supreme Court’s decision in the 1990 peyote case, Employment Division, Oregon Department of Human Resources v. Smith 494 U.S. 872.

Read about the legal status of peyote, including the 1993 federal statute that allowed members of the Native American Church to ingest peyote as part of religious ceremonies and state laws granting exemptions for Native Americans’ ceremonial use of peyote. The information is posted by the Peyote Foundation.

Read the First Amendment Center’s article on the free exercise clause, which includes a discussion of how Employment Division v. Smith, the 1990 peyote case, changed the legal precedent for religious groups whose practices conflict with state law.

Read the First Amendment Center’s resource page on Gonzales v. O Centro Espirita Beneficiente Uniao Do Vegetal. It includes amicus briefs filed for both sides of the case.

The UDV religion in the United States has a website with resources for covering the case, including a FAQ and background links.

Read about Tenebrae services and their recreation of the emotional aspects of the passion story on the Rev. Ken Collins’ web site.

The Rev. John Chryssavgis is author of Light Through Darkness: The Orthodox Tradition. He taught theology at Holy Cross Greek Orthodox School of Theology and serves as theological adviser to the Ecumenical Patriarch on environmental issues. Chryssavgis lives in Maine.

Michael Stillwater is the founder of Inner Harmony. With his partner, Doris Laesser, he led a group of Americans on a dark retreat in Switzerland in January 2006. He lives in Marin County, Calif.

Mirabai Starr is an adjunct professor of religious studies and philosophy at the University of New Mexico in Taos. She is the translator of St. John of the Cross’ Dark Night of the Soul (Riverhead, 2002).