Author
United States. Bureau of the Census
500
National Climatic Data Center (U.S.)
485
National Climatic Center
324
United States. World Agricultural Outlook Board
316
United States. Foreign Agricultural Service
270
United States. Department of Agriculture. Economic Research Service
262
United States. Joint Publications Research Service
259
GPO MARCIVE
241
United States. Bureau of Labor Statistics
218
United States. Agricultural Statistics Board
195
United States. Foreign Broadcast Information Service
190
National Cancer Institute (U.S.)
154
Geological Survey (U.S.)
152
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. Bureau of Mines
117
United States. Federal Aviation Administration
117
United States. Agricultural Marketing Service
109
United States. Energy Information Administration
109
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. Bureau of Mines. Branch of Data Collection and Coordination
83
United States. Department of State
83
United States. General Accounting Office
82
Pennsylvania. Office of Employment Security
81
United States. Internal Revenue Service
78
United States. National Agricultural Statistics Service
75
United States. Coast Guard
74
United States. Federal Highway Administration
73
United States. Bureau of Agricultural Economics
72
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
United States. International Trade Administration
64
National Institutes of Health (U.S.)
63
Pennsylvania. Department of Labor and Industry
63
United States. Forest Service
62
Library of Congress
61
Centers for Disease Control and Prevention (U.S.)
60
U.S. Census Bureau
60
United States. Department of the Air Force
59
more ...