Author
United States. Bureau of the Census
497
National Climatic Data Center (U.S.)
484
National Climatic Center
323
United States. World Agricultural Outlook Board
313
United States. Foreign Agricultural Service
269
United States. Department of Agriculture. Economic Research Service
260
United States. Joint Publications Research Service
258
GPO MARCIVE
243
United States. Bureau of Labor Statistics
217
United States. Agricultural Statistics Board
195
United States. Foreign Broadcast Information Service
186
National Cancer Institute (U.S.)
154
Geological Survey (U.S.)
150
International Cancer Research Data Bank
140
Federal Deposit Insurance Corporation
137
United States. Environmental Data Service
127
United States. Weather Bureau
125
United States. Crop Reporting Board
121
United States. Federal Aviation Administration
117
United States. Bureau of Mines
114
United States. Energy Information Administration
109
United States. Agricultural Marketing Service
107
Pennsylvania. Bureau of Employment Security
104
Famine Early Warning System Network
95
EBSCO Publishing (Firm)
90
United States. National Oceanic and Atmospheric Administration
89
United States. Agency for International Development
83
United States. Department of State
83
United States. General Accounting Office
83
Pennsylvania. Office of Employment Security
81
United States. Bureau of Mines. Branch of Data Collection and Coordination
81
United States. Internal Revenue Service
78
United States. National Agricultural Statistics Service
75
United States. Coast Guard
74
United States. Federal Highway Administration
72
United States. Bureau of Agricultural Economics
71
Pennsylvania. Department of Labor and Industry. Bureau of Research and Statistics
70
United States. Department of Agriculture. Economics and Statistics Service
70
Cancer Information Dissemination and Analysis Center for Diagnosis and Therapy
66
United States. Department of Agriculture. Economics, Statistics, and Cooperatives Service
65
United States. National Aeronautics and Space Administration
65
United States. Environmental Protection Agency
64
Pennsylvania. Department of Labor and Industry
63
National Institutes of Health (U.S.)
62
Library of Congress
61
United States. Forest Service
61
Centers for Disease Control and Prevention (U.S.)
60
U.S. Census Bureau
60
United States. Department of the Air Force
59
United States. Soil Conservation Service
59
more ...