Author/Creator
- United States. Bureau of the Census38
- Inter-university Consortium for Political and Social Research21
- National Center for Health Statistics (U.S.)15
- U.S. Census Bureau15
- National Center for Education Statistics8
- Inter-university Consortium for Political and Social Research. Historical Archive6
- Centers for Disease Control (U.S.)5
- Organisation for Economic Co-operation and Development5
- United States. Bureau of Labor Statistics4
- Banks, Arthur S.3
- National Archive of Computerized Data on Aging (U.S.)3
- United States. Bureau of Transportation Statistics3
- United States. Bureau of the Census. Administrative and Customer Services Division3
- United States. Economics and Statistics Administration3
- Brigham Young University. Dept. of Economics2
- Fogel, Robert William2
- GeoLytics, Inc2
- Institute of Education Sciences (U.S.)2
- SpringerLink (Online service)2
- United Nations. Economic Commission for Latin America and the Caribbean2