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Conference papers and proceedings 35,726 View Records Fiction 32,930 View Records Sound recordings 28,376 View Records Video recordings 25,987 View Records Internet videos 23,488 View Records Maps 21,752 View Records Dictionaries 16,873 View Records Legislative hearings 13,736 View Records Periodicals 13,544 View Records Biographies 13,245 View Records Statistics 12,918 View Records Handbooks and manuals 11,845 View Records Bibliographies 10,628 View Records Legislative materials 9,076 View Records Technical reports 6,968 View Records Case studies 3,736 View Records Congresses 3,687 View Records Scores 3,582 View Records Topographic maps 3,395 View Records Autobiographies 3,069 View Records Operas 2,964 View Records Drama 2,705 View Records Statutes and codes 2,705 View Records Instructional television programs 2,662 View Records Excerpts 2,624 View Records Treaties 2,589 View Records Catalogs 2,430 View Records Literature 2,193 View Records Illustrated works 1,794 View Records Academic theses 1,597 View Records Directories 1,492 View Records Picture books 1,484 View Records Festschriften 1,463 View Records Encyclopedias 1,451 View Records Exhibition catalogs 1,415 View Records Atlases 1,366 View Records Guidebooks 1,308 View Records Databases 1,206 View Records Songs 1,195 View Records Feature films 1,170 View Records Nonfiction television programs 1,159 View Records Poetry 1,142 View Records Novels 1,018 View Records Video recordings for the hearing impaired 973 View Records Symphonies 954 View Records Software 930 View Records Concertos 906 View Records Serial publications 858 View Records Pictures 848 View Records Educational films 823 View Records Sources 822 View Records Problems and exercises 805 View Records Parts (Music) 742 View Records Suites 737 View Records Documentary television programs 730 View Records Sonatas 722 View Records Textbooks 694 View Records Personal correspondence 689 View Records Census data 680 View Records Historical fiction 643 View Records Jazz 626 View Records Personal narratives 596 View Records Essays 583 View Records Electronic government information 580 View Records Interviews 578 View Records Indexes 539 View Records Trivia and miscellanea 531 View Records Posters 530 View Records Examinations 528 View Records Study guides 528 View Records Documentary films 502 View Records Short stories 487 View Records Remote-sensing maps 482 View Records Arrangements (Music) 477 View Records Vocal scores with piano 467 View Records Music 464 View Records Tables (Data) 451 View Records Road maps 449 View Records Studies (Music) 441 View Records Translations into English 441 View Records Fiction films 432 View Records Classification 429 View Records Domestic fiction 417 View Records Newsreels 415 View Records Detective and mystery fiction 403 View Records Popular music 383 View Records Cookbooks 380 View Records Film adaptations 380 View Records Laboratory manuals 373 View Records Popular works 372 View Records Comics (Graphic works) 366 View Records Graphic novels 366 View Records Graphs 364 View Records Young Adult 359 View Records Anecdotes 358 View Records Portraits 358 View Records Fantasy fiction 352 View Records Vital statistics 352 View Records Abstracts 343 View Records Art 336 View Records

National Institute of Standards and Technology (U.S.) 140 Geological Survey (U.S.) 80 Rocky Mountain Research Station (Fort Collins, Colo.) 66 New Mexico Geological Society. Annual Field Conference 35 United States. National Aeronautics and Space Administration 35 SpringerLink (Online service) 34 International Atomic Energy Agency 33 United States. Environmental Protection Agency 33 Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) 32 Educational Resources Information Center (U.S.) 30 United States. Administration on Aging 29 National Institute of Environmental Health Sciences 27 United States. Bureau of Mines 24 United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch 22 American Association of Petroleum Geologists 21 Oxford Scholarship Online 18 National Institute on Drug Abuse 17 United States. National Aeronautics and Space Administration. Scientific and Technical Information Division 17 National Center for Education Statistics 16 U.S. Fish and Wildlife Service 16 United States. Environmental Protection Agency. Office of Research and Development 16 Air and Energy Engineering Research Laboratory 15 American Chemical Society. Meeting 15 National Cancer Institute (U.S.) 15 United States. National Marine Fisheries Service 15 Goddard Space Flight Center 14 National Institutes of Health (U.S.) 14 United States. Department of Energy 14 United States. National Oceanic and Atmospheric Administration 14 Bureau of Mines Technology Transfer Seminar 13 Eastern Research Group, Inc 13 Intermountain Research Station (Ogden, Utah) 13 North American ISDN Users' Forum. Meeting 13 Risk Reduction Engineering Laboratory (U.S.) 13 United States. Environmental Protection Agency. Risk Assessment Forum 13 United States. Office of Educational Research and Improvement 13 Geological Society of America 12 North Atlantic Treaty Organization. Scientific Affairs Division 12 U.S. Atomic Energy Commission 12 Colorado School of Mines 11 Geological Survey (U.S.), 11 United States. Forest Service 11 Wyoming Geological Association 11 Dumroese, R. Kasten 10 Landis, Thomas D. 10 National Institute of Justice (U.S.) 10 United States. National Highway Traffic Safety Administration 10 Wildland Shrub Symposium 10 Langley Research Center 9 National Institute of Mental Health (U.S.) 9 Riley, Lee E. 9 Text REtrieval Conference 9 United States. National Bureau of Standards 9 United States. National Park Service 9 Watson, Alan E. 9 World Wilderness Congress 9 Wyoming Geological Association. Annual Field Conference 9 Binghamton Symposium in Geomorphology 8 Geological Society of America. Annual Meeting 8 Geomorphology Symposium 8 Great Lakes Environmental Research Laboratory 8 McArthur, E. Durant 8 National Science Foundation (U.S.) 8 National Silviculture Workshop 8 Rocky Mountain Association of Geologists 8 Society of Economic Geologists (U.S.) 8 Stanley Foundation 8 United States. Agricultural Research Service 8 United States. National Aeronautics and Space Administration. Scientific and Technical Information Program 8 American Association for the Advancement of Science 7 Australasian Institute of Mining and Metallurgy 7 Building and Fire Research Laboratory (U.S.) 7 Galveston Bay Foundation 7 Geomorphology Symposium Binghamton, N.Y.) 7 Harman, D. K. 7 Homicide Research Working Group. Annual Workshop 7 Institution of Mining and Metallurgy (Great Britain) 7 International Conference on Remediation of Chlorinated and Recalcitrant Compounds 7 Lucas, Spencer G. 7 NATO Advanced Study Institute 7 National Institute for Occupational Safety and Health 7 National Institute of Child Health and Human Development (U.S.) 7 Oak Ridge National Laboratory 7 Pacific Northwest Research Station (Portland, Or.) 7 Shrub Research Consortium 7 Text REtrieval Conference Gaithersburg, Md.) 7 Unesco 7 United States. Department of Agriculture 7 V.E. McKelvey Forum on Mineral and Energy Resources 7 Arizona Geological Society 6 Coates, Donald Robert, 1922- 6 Colorado Geological Survey 6 Commonwealth Mining and Metallurgical Congress 6 Ecole d'été de physique théorique (Les Houches, Haute-Savoie, France) 6 Forum on Geology of Industrial Minerals 6 Forum on Innovative Hazardous Waste Treatment Technologies: Domestic and International 6 Hamre, R. H. 6 International Conference on Remediation of Chlorinated and Recalcitrant Compounds Monterey, Calif.) 6 Lewis Research Center 6 Library of Congress 6