Author
Educational Resources Information Center (U.S.)
2,256
Library of Congress
634
United States. Superintendent of Documents
330
National Center for Education Statistics
274
National Agricultural Library (U.S.)
238
United States. Office of Educational Research and Improvement
194
Library of Congress. Manuscript Division
138
Library of Congress. Cataloging Policy and Support Office
135
National Library of Medicine (U.S.)
126
Library of Congress. Congressional Research Service
125
United States. Government Printing Office
122
Library of Congress. Network Development and MARC Standards Office
117
Library of Congress. National Library Service for the Blind and Physically Handicapped
111
Library of Congress. Division of Bibliography
103
United States. National Commission on Libraries and Information Science
95
Library of Congress. Subject Cataloging Division
87
Library of Congress. Policy and Standards Division
80
United States. General Accounting Office
68
Griffin, Appleton P. C. (Appleton Prentiss Clark), 1852-1926
67
Library of Congress. Cataloging Distribution Service
65
United States. Bureau of the Census
65
ERIC Clearinghouse on Adult, Career, and Vocational Education
62
United States. National Technical Information Service
58
National Institute of Education (U.S.)
55
Geological Survey (U.S.)
54
State Library of Pennsylvania
50
Library of Congress. Copyright Office
49
United States. Office of Education
49
Library of Congress. General Reference and Bibliography Division
48
National Criminal Justice Reference Service (U.S.)
48
United States. Office of Educational Research and Improvement. Library Programs
48
ERIC Counseling and Student Services Clearinghouse
47
O'Sullivan, Christine Y.
46
Champagne, Audrey B.
45
Meyer, Herman H. B. (Herman Henry Bernard), 1864-1937
44
ERIC Clearinghouse on Elementary and Early Childhood Education
43
Library of Congress. African Section
43
United States. Department of the Army
40
Aspen Systems Corporation
36
ERIC Clearinghouse for Social Studies/Social Science Education
36
Library of Congress. Geography and Map Division
36
ERIC Clearinghouse on Urban Education
35
United States. National Ocean Service
35
Library of Congress. Office for Subject Cataloging Policy
33
United States. Superintendent of Documents. Library Programs Service
33
National Cancer Institute (U.S.)
32
National Institute of Mental Health (U.S.)
32
United States. Environmental Protection Agency
32
United States. National Archives and Records Service
32
United States Civil Service Commission. Library
31
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