R. Collin Mangrum is a law professor at Creighton University in Omaha who teaches on church and state issues and on the history of American legal thought. He is co-author of Zion in the Courts: A Legal History of the Church of Jesus Christ of Latter-day Saints, 1830-1900 (University of Illinois Press, 1988).

O. Kendall White Jr. is William P. Ames Jr. Professor in Sociology and Anthropology at Washington and Lee University in Lexington, Va., and has written extensively on Mormonism.

Daryl White is a professor of sociology and anthropology at Spelman College in Atlanta who has researched Mormonism.

The Hindu Society of Berbice is a nonprofit religious organization in Guyana that promotes and preserves Sanatan Dharma and Hindu culture by engaging its community in Hindu projects, programs and activities.

Ananda Marga is a global network of centers in nearly every country that provides support and education focused on the welfare of humanity and the world. The organization promotes meditation centers, schools, children’s homes, food distribution centers, disaster relief organizations and community development projects. The organization’s mission is twofold; “self-realization and the welfare of the universe.”

Help the Child Brides is led by Flora Jessop, who lives in Phoenix, Ariz.

The Singapore Dakshina Bharatha Brahmana Sabha is an organization that provides resources on Hinduism, such as practices, festivals, current news and links to other informational resources. Contact the president, Sri G Srinivasan.

Mary Mackert, a former plural wife who lives in Utah, wrote and published The Sixth of Seven Wives: Escape From Modern-Day Polygamy (xpolygamist.com, 2001).

Mark Henkel of Old Orchard Beach, Maine, is a national polygamy advocate and founder of TruthBearer.org, a non-Mormon organization that promotes Christian polygamy. Contact through the website.