Author/Creator
- SpringerLink (Online service)920
- United States. Bureau of the Census. Data User Services Division139
- Institut gosudarstva i prava (Akademii︠a︡ nauk SSSR)132
- Geological Survey (U.S.)124
- United States. National Archives and Records Administration102
- Yale Center for British Art99
- Inter-university Consortium for Political and Social Research88
- Environmental Systems Research Institute (Redlands, Calif.)66
- United States. Bureau of the Census63
- Library of Congress. National Digital Library Program58
- National Center for Education Statistics34
- National Center for Health Statistics (U.S.)34
- Leningradskiĭ gosudarstvennyĭ universitet imeni A.A. Zhdanova31
- United States. Environmental Protection Agency. Technology Innovation Office30
- Project Muse. distributor25
- United States. Administration on Aging25
- Wesker, Arnold, 1932-201625
- Soviet Union22
- United States. Bureau of Transportation Statistics22
- Betts, Torben21