Author
United States. Bureau of the Census
736
United States. Bureau of the Census. Population Division
110
United States. Congress. House. Committee on Un-American Activities
107
Gotham Book Mart Collection (University of Pennsylvania)
91
American Academy of Political and Social Science
90
Brookings Institution
88
World Bank
77
California State College (Pa.). School of Graduate Studies
75
Resources for the Future
70
Lipman Criminology Library Fund
66
Newcomen Society of the United States
65
California University of Pennsylvania. School of Graduate Studies
64
National Bureau of Economic Research
64
Paul Avrich Collection (Library of Congress)
64
Marx, Karl, 1818-1883
52
United States. Bureau of the Census. Housing Division
50
Galbraith, John Kenneth, 1908-2006
45
National Association of Accountants
44
Penn Sexuality Collection (University of Pennsylvania)
44
Rosengarten Family Fund
44
Drucker, Peter F. (Peter Ferdinand), 1909-2005
40
Gift of the William Way LGBT Community Center (University of Pennsylvania)
40
California State College (Pa.). Dept. of Special Education
39
National Association of Social Workers
39
Academy of Political Science (U.S.)
38
Ginzberg, Eli, 1911-2002
38
Committee for Economic Development
34
United States. Congress. Senate. Committee on the Judiciary
34
Heilbroner, Robert L.
33
U.S. Census Bureau
33
Alumni and Friends Memorial Book Fund
32
International Labour Office
32
California State College (Pa.). Division of Graduate Studies
31
Johnsen, Julia E. (Julia Emily)
30
United States. Department of Housing and Urban Development. Office of Policy Development and Research
30
Child Welfare League of America
29
United Nations. Department of Economic and Social Affairs. Population Division
29
Engels, Friedrich, 1820-1895
28
Friedman, Milton, 1912-2006
28
Levitan, Sar A.
28
Organisation for Economic Co-operation and Development
28
United States. Census Office
28
Brown, Lester R. (Lester Russell), 1934-
27
Films for the Humanities & Sciences (Firm)
27
Twentieth Century Fund
27
Mazal Holocaust Collection
26
United States. Bureau of Labor Statistics
26
American Institute of Certified Public Accountants
25
Anne and Joseph Trachtman Memorial Book Fund
25
Bennis, Warren G.
25
more ...