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United States. Bureau of Mines
2,555 results
Board of Governors of the Federal Reserve System (U.S.)
2,157 results
United States. National Recovery Administration
1,985 results
United States. Interstate Commerce Commission
1,900 results
United States. Bureau of the Census
1,607 results
United States. Department of State
1,599 results
United States. Bureau of Foreign and Domestic Commerce
1,488 results
United States. Post Office Department
1,423 results
United States. Bureau of Agricultural Economics
1,354 results
United States. Agricultural Adjustment Administration
1,190 results
United States. Office of Education
999 results
United States. Securities and Exchange Commission
968 results
United States. War Department
963 results
Library of Congress. Copyright Office
880 results
United States. Bureau of Plant Industry
873 results
United States. National Advisory Committee for Aeronautics
796 results
Geological Survey (U.S.)
682 results
United States. Office of Indian Affairs
677 results
United States. Public Health Service
665 results
United States. Weather Bureau
665 results
United States. Department of Agriculture
610 results
United States. Federal Power Commission
590 results
United States. Bureau of Entomology and Plant Quarantine
589 results
United States. Bureau of Labor Statistics
561 results
Gale (Firm)
549 results
United States. Patent Office
494 results
Smithsonian Institution
481 results
U.S. Fish and Wildlife Service
475 results
United States. Bureau of Standards
463 results
United States. Federal Housing Administration
455 results
United States. Farm Credit Administration
407 results
United States. Forest Service
374 results
United States. Soil Conservation Service
328 results
United States. Bureau of Animal Industry
307 results
United States Tariff Commission
302 results
United States. Children's Bureau
273 results
United States. Bureau of Foreign Commerce
272 results
United States. Food and Drug Administration
271 results
United States. Department of the Treasury
270 results
United States. Bureau of Chemistry and Soils
256 results
Library of Congress
250 results
United States. National Park Service
239 results
United States. Bureau of Reclamation
225 results
United States. Federal Trade Commission
224 results
U.S. Coast and Geodetic Survey
223 results
United States. Adjutant-General's Office
216 results
United States. Extension Service
209 results
United States. Office of Experiment Stations
204 results
United States. Bureau of Fisheries
200 results
United States. Bureau of Biological Survey
196 results
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