Author
ProQuest (Firm)
18,210
Gale (Firm)
851
American Council of Learned Societies
769
Project Muse
298
Frank and Virginia Williams Collection of Lincolniana (Mississippi State University. Libraries)
282
National Research Council (U.S.)
108
Riggs, Thomas, 1963-
100
Mazal Holocaust Collection
94
National Academies Press (U.S.)
88
Institute of Medicine (U.S.)
83
Credo Reference (Firm)
70
American Library Association
68
National Academy of Sciences (U.S.)
55
Maps.com (Firm)
49
Rand Corporation
45
National Research Council (U.S.). Division on Engineering and Physical Sciences
42
Environmental Law Institute
40
American Academy of Political and Social Science
38
National Research Council (U.S.). Division on Earth and Life Studies
37
Constantakis, Sara,
36
Young Adult Library Services Association
32
National Bureau of Economic Research
31
Commager, Henry Steele, 1902-1998
30
New Strategist Publications, Inc
30
Wessner, Charles W.
30
Council on Foreign Relations
29
Du Bois, W. E. B. 1868-1963
29
National Academy of Engineering
29
Primary Research Group
29
Hernon, Peter
28
Institute of Medicine (U.S.). Board on Population Health and Public Health Practice
27
Library of Congress
27
National Defense Research Institute (U.S.)
27
National Research Council (U.S.). Committee on National Statistics
27
Sarat, Austin
26
Woman's Christian Temperance Union
26
Paul Avrich Collection (Library of Congress)
25
Project Air Force (U.S.)
25
Ferrell, Robert H.
24
Library of Congress. Network Development and MARC Standards Office
24
Meltzer, Milton, 1915-2009
24
National Association of Social Workers
24
Woman's Temperance Publication Association
24
Association of Research Libraries
23
Cott, Nancy F.,
23
Milne, Ira Mark,
23
Sklar, Kathryn Kish
23
Lincoln, Abraham, 1809-1865
22
National Research Council (U.S.). Division of Behavioral and Social Sciences and Education
22
National Research Council (U.S.). Space Studies Board
22
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