Author
National Agricultural Library (U.S.)
182
Library of Congress
73
Library of Congress. National Library Service for the Blind and Physically Handicapped
49
Casper, Dale E.
32
Educational Resources Information Center (U.S.)
30
Vance, Mary A.
30
Watts, Tim J.
30
Library of Congress. African Section
27
National Library of Medicine (U.S.)
27
United States. Bureau of the Census
27
United States. National Technical Information Service
25
Kravitz, Marjorie
24
National Criminal Justice Reference Service (U.S.)
24
National Library of Medicine (U.S.). Reference Section
21
United States. Office of Personnel Management. Library
21
United States. Public Health Service
21
Dobert, Raymond
19
United States. Department of the Army
19
United States. National Highway Traffic Safety Administration
19
United States. Superintendent of Documents
19
Aspen Systems Corporation
18
Harvard University. Library
18
Smith, Myron J., Jr., 1944-
18
Unesco
18
White, Anthony G.
18
American Library Association
17
Davis, Lenwood G.
17
Hoover Institution on War, Revolution, and Peace
17
National Cancer Institute (U.S.)
17
National Institute of Education (U.S.)
17
U.S. Atomic Energy Commission
17
Cairns Collection of American Women Writers
16
Geological Survey (U.S.)
16
National Institute of Mental Health (U.S.)
16
Cordasco, Francesco, 1920-2001
15
McMurtrie, Douglas C. (Douglas Crawford), 1888-1944
15
Morales, Leslie Anderson
15
New York Public Library
15
Frank and Virginia Williams Collection of Lincolniana (Mississippi State University. Libraries)
14
Goehlert, Robert, 1948-
14
Library of Congress. General Reference and Bibliography Division
14
National Clearinghouse for Mental Health Information (U.S.)
14
Dworaczek, Marian
13
Hasse, Adelaide R. (Adelaide Rosalia), 1868-1953
13
International Cancer Research Data Bank
13
Library of Congress. Science and Technology Division
13
Logasa, Hannah, 1879-1967
13
Tompkins, Dorothy Louise Campbell Culver
13
West Virginia University. Library
13
Witherell, Julian W.
13
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