Author/Creator
- Inter-university Consortium for Political and Social Research86
- Geological Survey (U.S.)76
- Environmental Systems Research Institute (Redlands, Calif.)65
- United States. Bureau of the Census47
- National Center for Health Statistics (U.S.)30
- Miller, Warren E. (Warren Edward), 1924-14
- Abston, C. C. (Carl C.)8
- Ambroziak, Russell A.8
- CBS News8
- National Election Studies (U.S.)8
- University of Michigan. Survey Research Center8
- Environmental Systems Research Institute (Redlands, Calif.), publisher7
- Organisation for Economic Co-operation and Development7
- United States. Bureau of Labor Statistics7
- University of Michigan. Center for Political Studies7
- Food and Agriculture Organization of the United Nations6
- Inter-university Consortium for Political and Social Research. Historical Archive6
- Board of Governors of the Federal Reserve System (U.S.)5
- Centers for Disease Control (U.S.)5
- United States. Social Security Administration5