Author
American Psychological Association
23
United States. Bureau of Labor Statistics
22
Geological Survey (U.S.)
20
American Chemical Society
16
United States. Bureau of Mines
12
United States. Bureau of Mines. Branch of Data Collection and Coordination
12
United States. National Technical Information Service
12
Center for the Utilization of Federal Technology (U.S.)
11
United States. Bureau of the Census
10
American Geophysical Union
8
United States. Department of Agriculture. Economic Research Service
8
United States. National Park Service
8
American Alliance for Health, Physical Education, Recreation, and Dance
7
American Economic Association
7
Association for Educational Communications and Technology
7
Ford Motor Company. Parts and Service Division. Training and Publications Department
7
Geological Society of America
7
National Council of Teachers of English
7
United States. Internal Revenue Service
7
American Institute of Physics
6
American Library Association
6
Association for Computing Machinery
6
Centers for Disease Control (U.S.)
6
Centers for Disease Control and Prevention (U.S.)
6
Institute of Electrical and Electronics Engineers
6
National Cancer Institute (U.S.)
6
National League for Nursing
6
National Strength & Conditioning Association (U.S.)
6
U.S. Fish and Wildlife Service
6
United States. Branch of Industrial Minerals
6
United States. Bureau of Mines. Branch of Metals
6
United States. Department of State
6
United States. Forest Service
6
1-Home Source
5
American Geological Institute
5
Colorado. Department of Revenue
5
Helen Dwight Reid Educational Foundation
5
International Reading Association
5
International Studies Association
5
Jay I. Kislak Reference Collection (Library of Congress)
5
National Recreation and Park Association
5
Naval Safety Center
5
Standard Rate & Data Service
5
United States. Agricultural Research Service
5
United States. Department of Agriculture. Economics, Statistics, and Cooperatives Service
5
United States. Department of Education
5
United States. Department of the Army
5
United States. National Aeronautics and Space Administration
5
United States. Office of Educational Research and Improvement
5
Wyoming State Historical Society
5
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