Author
Educational Resources Information Center (U.S.)
1,754
National Center for Education Statistics
227
National Agricultural Library (U.S.)
219
United States. Superintendent of Documents
219
Library of Congress
218
Association of Research Libraries. Systems and Procedures Exchange Center
146
United States. Office of Educational Research and Improvement
123
American Library Association
120
Library of Congress. National Library Service for the Blind and Physically Handicapped
79
Association of Research Libraries
73
Library of Congress. Manuscript Division
67
National Library of Medicine (U.S.)
64
United States. National Commission on Libraries and Information Science
60
United States. National Technical Information Service
56
ERIC Clearinghouse on Adult, Career, and Vocational Education
54
Unesco
49
Association of Research Libraries. Office of Leadership and Management Services
47
American Association of Law Libraries
43
United States. Government Printing Office
42
O'Sullivan, Christine Y.
41
Champagne, Audrey B.
40
ERIC Counseling and Student Services Clearinghouse
40
National Institute of Education (U.S.)
38
United States. Bureau of the Census
38
ERIC Clearinghouse on Elementary and Early Childhood Education
37
Medical Library Association
37
National Criminal Justice Reference Service (U.S.)
37
Library of Congress. African Section
36
ERIC Clearinghouse for Social Studies/Social Science Education
34
Library of Congress. Network Development and MARC Standards Office
34
National Cancer Institute (U.S.)
32
Pforzheimer Bruce Rogers Collection (Library of Congress)
32
United States. Office of Educational Research and Improvement. Library Programs
31
Watts, Tim J.
31
Geological Survey (U.S.)
30
Tannenbaum, Samuel A. (Samuel Aaron), 1874?-1948
30
West Virginia Library Commission
30
Association of College and Research Libraries
29
ERIC Clearinghouse on Urban Education
29
United States. General Accounting Office
29
United States. National Ocean Service
29
Aspen Systems Corporation
28
United States. Department of the Army
28
United States. Office of Personnel Management. Library
28
United States. Public Health Service
28
International Cancer Research Data Bank
27
West Virginia University. Library
27
Kravitz, Marjorie
26
McMurtrie, Douglas C. (Douglas Crawford), 1888-1944
26
Association of Research Libraries. Office of Management Services
25
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