United States. Bureau of the Census 1,217 National Center for Education Statistics 984 United States. Bureau of Labor Statistics 621 National Center for Health Statistics (U.S.) 590 Geological Survey (U.S.) 289 United States. Bureau of Justice Statistics 284 National Center for Health Statistics (U.S.), 264 SpringerLink (Online service) 253 U.S. Census Bureau 198 Educational Testing Service 189 United States. Department of Agriculture. Economic Research Service 179 United States. Bureau of Mines 161 Educational Resources Information Center (U.S.) 135 United States. Office of Educational Research and Improvement 107 U.S. Census Bureau, 104 Ballator, Nada 92 Jerry, Laura 92 United States. Office of Juvenile Justice and Delinquency Prevention 88 Institute of Education Sciences (U.S.) 82 Centers for Disease Control and Prevention (U.S.) 74 National Assessment of Educational Progress (Project) 74 United States. Bureau of Justice Statistics, 74 United States. Bureau of Labor Statistics, 74 United States. Department of Agriculture. Economic Research Service, 72 United States. Bureau of the Census. Population Division 67 Colorado. Department of Higher Education. Division of Information & Research Management 61 United States. Forest Service. Northern Research Station, 61 United States. Bureau of the Census. Data User Services Division 60 Colorado Agricultural Experiment Station 59 Colorado State University. Department of Soil and Crop Sciences 58 National Science Foundation (U.S.) 57 United States. National Agricultural Statistics Service 57 Colorado. Health Statistics Section 56 Health Information National Trends Survey, 55 National Center for Education Statistics, 52 O'Sullivan, Christine Y. 51 Reese, Clyde M. 51 United States. Substance Abuse and Mental Health Services Administration. Office of Applied Studies 51 Carr, Peggy 48 National Institute of Justice (U.S.) 48 Rogers, Alfred 41 United States. National Highway Traffic Safety Administration 41 United States. Department of Education 39 United States. Agricultural Statistics Board 38 United States. Office of Educational Research and Improvement. Center for Education Statistics 38 Colorado. Division of Wildlife 36 Colorado State University. Extension 35 National Climatic Data Center (U.S.) 35 New Strategist Publications, Inc 35 National Center for Health Statistics (U.S.). Division of Health Care Statistics 34 United States. Congressional Budget Office 34 Carroll, C. Dennis 33 Colorado State University. Cooperative Extension Service 33 Geological Survey (U.S.), 33 National Center for Educational Statistics 33 United States. Small Business Administration. Office of Advocacy 33 Colorado. Disease Control and Environmental Epidemiology Division 32 Colorado. General Assembly. Legislative Council 32 United States. Office of Justice Programs. Office for Victims of Crime, 30 Arkansas Valley Research Center 29 United States. Bureau of Transportation Statistics 29 United States. Public Health Service 28 United States. Public Health Service. Office of Health Research, Statistics, and Technology 28 National Institute on Drug Abuse. Division of Epidemiology and Prevention Research 27 United States. Administration on Aging 27 United States. Department of Health and Human Services 27 Farris, Elizabeth 26 National Science Foundation (U.S.). Division of Science Resources Studies 26 United States. Office of Immigration Statistics, 26 Colorado. Department of Education 24 National Center for Victims of Crime (U.S.) 24 United States. Women's Bureau 24 Choy, Susan P. 23 United States. Agricultural Research Service 23 United States. Forest Service. Southern Research Station, 23 Colorado. Division of Criminal Justice. Office of Research and Statistics 22 National Center for Statistics and Analysis (U.S.) 22 United States. Environmental Protection Agency 22 United States. Forest Service. Southern Research Station 22 American Community Survey (U.S.) 21 Colorado State University. College of Agricultural Sciences 21 Colorado. Department of Public Health and Environment 21 Horn, Laura 21 National Institute on Drug Abuse 21 Pacific Northwest Research Station (Portland, Or.) 21 United States. Bureau of Transportation Statistics, 21 United States. Congress. Joint Committee on Taxation 21 United States. Energy Information Administration 21 Westat, Inc 21 Colorado Community College System 20 Koch, Hugo K. 20 National Institute for Occupational Safety and Health 20 United States. Government Accountability Office 20 Beltsville Human Nutrition Research Center. Food Surveys Research Group 19 Colorado. Department of Revenue 19 Colorado. Division of Housing 19 Illinois State Geological Survey 19 National Climatic Center 19 National Health Interview Survey (U.S.) 19 U.S. Fish and Wildlife Service 19