Association of Religion Data Archives. Online
The ARDA Data Archive is a collection of surveys, polls, and other data collected by researchers, including U.S. church membership, and denominational surveys inter alia.
Bradley, Martin B. et al. Churches and Church Membership in the United States 1990: An Enumeration by Region, State and County Based on Data Reported for 133 Church Groupings. Atlanta, GA: Glenmary Research Center, 1992.
BR526.C48 1992
There are companion volumes for 1970 (O'size BR 526 .J64) and 1980 (BR 526. C48 1982).
Department of the Interior. Census Office. Report on Statistics of churches in the United States at the Eleventh Census: 1890. Washington, DC: Government Printing Office, 1894.
BR525.C4 1894a
