Read a 2010 essay by Gerardo Marti about the focus on integration of African Americans into houses of worship for cultural diversity.

Read a 2010 Faith Communities Today study that brings together 26 individual surveys to assess racial diversity in churches in the U.S.

Read a March 24, 2013 Huffington Post article about studies tracking racial diversity, or its lack thereof, in houses of worship.

View a compilation of statistics on racial diversity in houses of worship; between 5 to 7.5 percent of churches are considered racially diverse.

The Rev. John Charles Pollock of Devon, England, is the official biographer of Billy Graham and the author of The Billy Graham Story, the revised and updated edition of To All the Nations.

Read a Jan. 16, 2012 Christian Post article about “Church Diversity Week” and the lack of diversity in most U.S. houses of worship.

George A. Yancey is an associate professor of sociology at the University of North Texas in Denton. He is the author of One Body, One Spirit: Principles of Successful Multiracial Churches.

The Rev. David A. Anderson is senior pastor of Bridgeway Community Church, a nondenominational, intentionally multicultural church of more than 2,000 in Columbia, Md. Anderson also is president of BridgeLeader Network, a nonprofit group that trains congregations, colleges, companies and other groups in multicultural work.

James W. Lewis was executive director of the Louisville Institute, a program for the study of American religion at Louisville Presbyterian Theological Seminary until 2011 when he retired. With funding from the Lilly Endowment, the Louisville Institute has sponsored research on multiethnic congregations. Lewis can connect reporters with scholars and pastors who’ve studied multiethnic congregations.