Table 1. Annual Estimates of the Resident Population for the United States, Regions, States, and Puerto Rico: April 1, 2010 to July 1, 2016 (NST-EST2016-01) [online]. United States Census Bureau, Population Division, 2016-12 [cit. 2017-03-07]. Dostupné online. (anglicky)
American Religious Identification Survey [online]. The Graduate Center, City University of New York [cit. 2008-09-06]. (Exhibit 15). Dostupné v archivu pořízeném dne 2005-10-24.