Author
Langley Research Center
3,366 results
NASA Glenn Research Center
1,579 results
Ames Research Center
1,479 results
United States. National Aeronautics and Space Administration
1,286 results
Goddard Space Flight Center
1,219 results
Lewis Research Center
1,144 results
United States. Defense Mapping Agency. Hydrographic/Topographic Center
1,020 results
George C. Marshall Space Flight Center
1,017 results
National Center for Education Statistics
955 results
University of Texas at Austin. Center for Transportation Research
926 results
Safari, an O'Reilly Media Company
558 results
National Center for Health Statistics (U.S.)
514 results
United States. Federal Highway Administration
510 results
Southwest Region University Transportation Center (U.S.)
492 results
Turner-Fairbank Highway Research Center
492 results
University of Texas at San Antonio. Center for Archaeological Research
445 results
Center of Military History
443 results
Texas. Department of Transportation
436 results
Geological Survey (U.S.)
412 results
United States. Office of Water Research and Technology
393 results
United States. Office of Water Resources Research
356 results
Texas. State Department of Highways and Public Transportation
332 results
University Transportation Centers Program (U.S.)
320 results
Aerospace Center (U.S.)
306 results
Center for Biologics Evaluation and Research (U.S.)
304 results
United States. Administration on Aging
296 results
Center for Drug Evaluation and Research (U.S.)
288 results
Organisation for Economic Co-operation and Development
288 results
Texas Antiquities Committee
265 results
Dryden Flight Research Facility
255 results
Lyndon B. Johnson Space Center
254 results
Texas Transportation Institute
254 results
Institute for Computer Applications in Science and Engineering
249 results
Coastal Engineering Research Center (U.S.)
220 results
National Drug Intelligence Center (U.S.)
178 results
National Science Foundation (U.S.)
173 results
Federal Judicial Center
160 results
University of Texas at Austin. Center for Research in Water Resources
159 results
University of Texas at Austin. Center for Highway Research
156 results
National Defense University. Center for Technology and National Security Policy
153 results
Northeast Fisheries Science Center (U.S.)
153 results
Center for Substance Abuse Treatment (U.S.)
150 results
National Fire Data Center (U.S.)
147 results
Alaska Fisheries Science Center (U.S.)
139 results
Educational Testing Service
137 results
Texas. Highway Department
135 results
Naval Education and Training Program Development Center
134 results
U.S. Army Training Support Center. Reserve Schools Division
133 results
Canadian Hydrographic Service
132 results
Texas Historical Commission
132 results
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