Catholic Church

The Pennsylvania Catholic Conference
United States Conference of Catholic Bishops
The Holy See (Official Vatican Web Site)

Data Sources

U.S. Census Bureau Home Page
U.S. Census Bureau, Philadelphia Regional Office
Historical United States Census Data Browser at the Univ. of Virginia

Pennsylvania and Regional Planning Agencies

Pennsylvania State Data Center (PaSDC)
Delaware Valley Regional Planning Commission
data bulletins
publications
Bucks County Planning Commission
Chester County Planning Commission
Delaware County Planning Department
Montgomery County Planning Commission
Philadelphia City Planning Commission
Map Gallery

Education

United States Conference of Catholic Bishops - Department of Education
Pennsylvania State Department of Education
PaProfiles - Pennsylvania School Profiles from the Pennsylvania Department of Education
Catholic Education - Archdiocese of Philadelphia

Sources of Social Science Data

American Religion Data Archive (ARDA)
Center for the Study of Religion and American Culture
Conference for Pastoral Planning and Council Development (CPPCD)
Center for Applied Research in the Apostolate (CARA)
Temple University Metropolitan Philadelphia Indicators Project
Temple University Social Science Data Library
University of Pennsylvania Cartographic Modeling Lab
Villanova Center for the Study of Church Management

Libraries

Catholic University of America
La Salle University
University of Notre Dame
St. Joseph's University
Temple University
University of Pennsylvania
Villanova University
Saint Charles Borromeo Seminary

Sources of Geographic Information System (GIS) Data

American Association of Geographers (AAG)
Environmental Systems Research Institute (ESRI)
ESRI Mid-Atlantic Users Group
GIS Certification Institute(GISCI)
Harvard University Center for Geographic Analysis
National States Geographic Information Council (NSGIC)
Pennsylvania GIS Users Conference (PaGIS)
Pennsylvania Spatial Data Access (PASDA)
Urban and Regional Information Systems Association(URISA)
URISA Mid-Atlantic Chapter (MACURISA)

Other

American Planning Association (APA)
Association for the Socilogy of Religion (ASR)
Association of Statisticians of American Religiuos Bodies(ASARB)
Glenmary Research Center
Parishsurvey.org
Pennsylvania Department of Health - Health Statistics
U.S. Department of Labor, Bureau of Labor Statistics Facts, including Philadelphia Area Consumer Price Index
Religious Research Association  (RRA)
Society for the Scientific Study of Religion (SSSR)