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U-2 (Reconnaissance aircraft).
(1)
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U.S. Clean Coal Technology Demonstration Program.
(1)
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U.S. Council for Automotive Research.
(1)
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U.S. Fish and Wildlife Service. Division of Endangered Species.
(2)
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U.S. states
(34)
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Ubiquitous computing.
(1)
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UCLA Center for Communication Policy.
(1)
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Uganda
(3)
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Ukiyoe.
(2)
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Ulmann, Doris, d. 1934
(2)
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Ultrasonic imaging
(5)
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Ultrastructure (Biology)
(3)
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Ultraviolet astronomy
(1)
-
Ultraviolet radiation
(15)
-
Ultraviolet spectra
(2)
-
Ultraviolet spectroscopy
(4)
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Umatilla Indians
(1)
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Underground literature
(1)
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Underground nuclear explosions
(2)
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Underground press publications
(1)
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Underground railroad
(3)
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Underwater acoustics
(3)
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Underwater archaeology
(9)
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Underwater exploration
(11)
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Underwater photography.
(1)
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Unemployed
(5)
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Unemployment
(14)
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Unesco.
(7)
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Ungulates
(1)
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Uniao Nacional para a Independencia Total de Angola
(2)
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UNICEF
(1)
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Unicellular organisms
(3)
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Unidentified flying objects.
(1)
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Uniform crime reports (Washington, D.C.)
(5)
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Unionism (Irish politics)
(3)
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Unionoida
(1)
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Unitarian church
(1)
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Unitarians
(2)
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United Airlines Flight 93 Hijacking Incident, 2001
(1)
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United Nations
(59)
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United Nations Conference on the Least Developed Countries (2001)
(1)
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United Nations Environment Programme
(1)
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United Nations Framework Convention on Climate Change (1992)
(7)
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United Nations Framework Convention on Climate Change (1992). Protocols, etc., 1997 Dec. 11.
(5)
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United Nations High Commissioner for Human Rights
(2)
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United Nations International Conference on Population and Development
(1)
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United Nations. Economic Commission for Latin America and the Caribbean
(2)
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United Nations. General Assembly
(2)
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United Nations. Security Council
(1)
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United Nations. Security Council.
(1)
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United States
(1500)
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United States Capitol (Washington, D.C.)
(5)
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United States Highway 66
(3)
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United States magistrates
(1)
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United States Military Academy
(1)
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United States Mint
(1)
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United States Naval Expedition to Japan (1852-1854)
(1)
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United States Penitentiary, Alcatraz Island, California
(2)
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United States Pharmacopeial Convention
(1)
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United States Postal Service
(4)
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United States Steel Corporation
(1)
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United States Sugar Corporation
(1)
-
United States. Constitution
(8)
-
United States. Dept. of Energy
(2)
-
United States. (Native American Graves Protection and Repatriation Act)
(1)
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United States. (Safe Drinking Water Act Amendments of 1996)
(4)
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United States. (Telecommunications Act of 1996)
(3)
-
United States. Administration on Aging
(1)
-
United States. Agency for International Development
(5)
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United States. Air Force
(7)
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United States. Army
(4)
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United States. Army Corps of Engineers.
(1)
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United States. Army Corps of Engineers. Cold Regions Research and Engineering Laboratory.
(1)
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United States. Army.
(3)
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United States. Army. Massachusetts Infantry Regiment, 54th (1863-1865)
(1)
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United States. Attorney-General
(1)
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United States. Bureau of Alcohol, Tobacco and Firearms.
(2)
-
United States. Bureau of Economic Analysis
(2)
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United States. Bureau of Labor Statistics
(4)
-
United States. Bureau of Land Management
(2)
-
United States. Bureau of the Census
(4)
-
United States. Bureau of the Census.
(5)
-
United States. Central Intelligence Agency
(17)
-
United States. Clean Air Act.
(1)
-
United States. Commodity Futures Trading Commission. Division of Economic Analysis.
(1)
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United States. Congress
(36)
-
United States. Congress. House
(2)
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United States. Congress. House.
(1)
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United States. Congress. House. Committee on Un-American Activities.
(2)
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United States. Congress. Senate
(3)
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United States. Constitution
(9)
-
United States. Constitution. 1st-10th Amendments
(1)
-
United States. Constitution. 1st-10th Amendments.
(3)
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United States. Constitution. 2nd Amendment
(3)
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United States. Court of Appeals (5th Circuit)
(1)
-
United States. Declaration of Independence
(2)
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United States. Dept. of Agriculture
(5)
-
United States. Dept. of Agriculture.
(7)
-
United States. Dept. of Agriculture. Economic Research Service
(1)
-
United States. Dept. of Defense
(9)
-
United States. Dept. of Education
(3)
-
United States. Dept. of Education.
(4)
-
United States. Dept. of Energy
(21)
-
United States. Dept. of Energy. Heavy Vehicle Technologies Program.
(1)
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United States. Dept. of Energy. Low Dose Radiation Research Program.
(1)
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United States. Dept. of Energy. Office of Energy Research
(2)
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United States. Dept. of Energy. Solar Thermal Electric Program
(1)
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United States. Dept. of Energy. Technical Standards Program
(1)
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United States. Dept. of Housing and Urban Development.
(7)
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United States. Dept. of Justice. Criminal Divison. Computer Crime and Intellectual Property Section.
(2)
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United States. Dept. of Labor. Wirtz Labor Library
(1)
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United States. Dept. of State
(3)
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United States. Dept. of the Interior
(2)
-
United States. Dept. of the Interior.
(1)
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United States. Drug Enforcement Administration
(4)
-
United States. Energy Information Administration
(3)
-
United States. Environmental Protection Agency
(32)
-
United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response
(1)
-
United States. Environmental Protection Agency. Office of Water.
(1)
-
United States. Fair Labor Standards Act of 1938
(1)
-
United States. Family Educational Rights and Privacy Act.
(1)
-
United States. Farm Security Administration.
(3)
-
United States. Farm Service Agency.
(1)
-
United States. Federal Aviation Administration
(1)
-
United States. Federal Aviation Administration.
(1)
-
United States. Federal Bureau of Investigation
(10)
-
United States. Federal Deposit Insurance Corporation Improvement Act of 1991
(1)
-
United States. Federal Election Commission
(1)
-
United States. Federal Glass Ceiling Commission
(1)
-
United States. Federal Trade Commission.
(3)
-
United States. Food and Drug Administration
(7)
-
United States. Food and Nutrition Service
(1)
-
United States. General Accounting Office
(2)
-
United States. General Accounting Office.
(3)
-
United States. Health Care Financing Administration
(1)
-
United States. Immigration and Naturalization Service
(1)
-
United States. Immigration and Naturalization Service.
(1)
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United States. Individuals with Disabilities Education Act
(2)
-
United States. Individuals with Disabilities Education Act.
(1)
-
United States. Internal Revenue Service
(4)
-
United States. Joint Program Office for Intelligent Transportation Systems.
(1)
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United States. Missile Defense Agency.
(1)
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United States. National Aeronautics and Space Administration
(34)
-
United States. National Aeronautics and Space Administration
(19)
-
United States. National Aeronautics and Space Administration. Aerospace Safety Advisory Panel.
(2)
-
United States. National Archives and Records Administration
(4)
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United States. National Center for Preservation Technology and Training
(1)
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United States. National Oceanic and Atmospheric Administration.
(3)
-
United States. National Security Agency. National Cryptologic Museum.
(1)
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United States. National Security Agency/Central Security Agency
(2)
-
United States. National Technical Information Services
(1)
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United States. National Telecommunications and Information Administration. Office of Spectrum Management.
(1)
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United States. Navy
(5)
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United States. Occupational Safety and Health Administration.
(1)
-
United States. Office of Homeland Security.
(2)
-
United States. Office of Justice Programs. Violence against Women Office.
(1)
-
United States. Office of the Independent Counsel (1994- )
(1)
-
United States. Patent and Trademark Office
(3)
-
United States. Personal Responsibility and Work Opportunity Reconciliation Act of 1996.
(2)
-
United States. President (1789-1797 : Washington)
(1)
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United States. President (1861-1865 : Lincoln). Emancipation Proclamation
(1)
-
United States. President (1913-1921 : Wilson)
(1)
-
United States. President (1923-1929 : Coolidge)
(1)
-
United States. President (1933-1945 : Roosevelt)
(4)
-
United States. President (1961-1963 : Kennedy)
(4)
-
United States. President (1969-1974 : Nixon)
(5)
-
United States. President (1989-1993 : Bush)
(1)
-
United States. President (1993-2001 : Clinton)
(1)
-
United States. President (1993-2001 : Clinton).
(14)
-
United States. President (2001- : Bush)
(7)
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United States. Public Health Service. Office of the Surgeon General
(2)
-
United States. Securities and Exchange Commission
(3)
-
United States. Social Security Administration
(5)
-
United States. Supreme Court
(48)
-
United States. Veterans Administration
(1)
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United States. War Relocation Authority.
(1)
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Units
(14)
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Universe
(8)
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Universiteit Utrecht. Dept. of Science, Technology and Society
(1)
-
Universiteit Utrecht. Dept. of Science, Technology and Society.
(1)
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Universities and colleges
(147)
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University of Arkansas, Fayetteville.
(1)
-
University of California Press
(1)
-
University of California, Berkeley
(4)
-
University of California, Berkeley. Environmental Planning and Geographic Information Systems (REGIS)
(1)
-
University of California, Berkeley. Museum of Paleontology.
(2)
-
University of California, Los Angeles. North American Integration and Development Center.
(2)
-
University of California, San Diego. Department of Psychology
(1)
-
University of Chicago
(3)
-
University of Chicago. Center for Health Administration Studies
(1)
-
University of Chicago. Oriental Institute
(5)
-
University of Colorado at Denver.
(1)
-
University of Florida. Wetland Biogeochemistry Laboratory.
(1)
-
University of Georgia
(1)
-
University of Illinois at Chicago. Electronic Visualization Laboratory.
(1)
-
University of Kansas. Clendening Medical Library
(1)
-
University of Kentucky.
(1)
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University of Kentucky. Appalachian Center
(1)
-
University of Massachusetts at Amherst
(6)
-
University of Michigan
(1)
-
University of Michigan. Law School.
(1)
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University of Michigan. Humanities Text Initiative.
(1)
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University of Minnesota. Gabbert Raptor Center
(2)
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University of Mississippi. Center for the Study of Southern Culture.
(1)
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University of Missouri-Columbia
(2)
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University of Nevada System. Desert Research Institute.
(1)
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University of New Hampshire. InterOperability Lab.
(1)
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University of Newcastle upon Tyne. Dept. of Statistics.
(1)
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University of Notre Dame
(1)
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University of Oklahoma. School of Chemical Engineering and Materials Science
(1)
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University of Oxford
(2)
-
University of Pennsylvania
(5)
-
University of Southern California
(3)
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University of Texas Health Science Center at San Antonio.
(1)
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University of Ulster. Centre for Communications Engineering.
(1)
-
University of Virginia
(1)
-
University of Wisconsin
(7)
-
University press publications
(4)
-
University presses
(3)
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University towns
(2)
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UNIX (Computer file)
(5)
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Unmanned aerial vehicles
(2)
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Unmarried couples
(4)
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Unmarried fathers
(2)
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Unmarried mothers
(5)
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Unsolicited electronic mail messages
(9)
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Updike, John
(1)
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Uranium as fuel
(2)
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Uranium industry
(5)
-
Uranium mines and mining
(1)
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Uranus (Planet).
(3)
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Urban agriculture
(2)
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Urban animals.
(5)
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Urban development.
(28)
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Urban ecology (Biology)
(7)
-
Urban economics
(19)
-
Urban folklore
(5)
-
Urban health
(4)
-
Urban Institute
(1)
-
Urban landscape architecture
(7)
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Urban landscape vegetation management
(2)
-
Urban plants
(4)
-
Urban policy
(28)
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Urban poor
(2)
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Urban renewal
(9)
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Urban runoff
(5)
-
Urban schools
(1)
-
Urban transportation
(16)
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Urban, Joseph, 1872-1933
(1)
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Urban-rural migration
(2)
-
Urbanization
(27)
-
Urinary organs
(1)
-
Urology
(2)
-
Used cars
(2)
-
Usenet (Computer network)
(4)
-
User interfaces (Computer systems)
(38)
-
Usu, Mount (Japan)
(1)
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Utah Geological Survey.
(2)
-
Utilities (Computer programs)
(12)
-
Utopias
(5)
-
Utopias in literature.
(1)
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Uzbekistan
(2)
-
V-mail
(1)
-
Vacations
(4)
-
Vaccination
(4)
-
Vaccines
(5)
-
Vaccines industry
(1)
-
Valentine's Day
(1)
-
Value-added networks (Computer networks)
(1)
-
Vampire bats.
(2)
-
Van Vechten, Carl, 1880-1964
(1)
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Vancouver Island (B.C.)
(1)
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Vandalism
(1)
-
Vapor pressure
(1)
-
Variable stars
(1)
-
Variation (Biology)
(1)
-
Vascular system of plants
(3)
-
Vases, Ancient
(1)
-
Vatican
(5)
-
Vatican City
(1)
-
Vatican Palace (Vatican City)
(1)
-
Vaudeville
(5)
-
Vaughan Williams, Ralph, 1872-1958.
(1)
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VBScript (Computer program language).
(1)
-
Vector algebra
(4)
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Vector Analysis
(3)
-
Vegetarian cookery
(7)
-
Vegetarianism.
(5)
-
Vegetarians
(6)
-
Vegetation and climate.
(3)
-
Vegetation management
(2)
-
Vegetation mapping
(7)
-
Vegetation monitoring
(6)
-
Vehicles, Remotely piloted
(8)
-
Velázquez, Diego, 1599-1660.
(1)
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Velde, Willem van de, 1633-1707
(1)
-
Venezuela
(1)
-
Venice (Italy)
(2)
-
Venice Beach (Calif.)
(1)
-
Venice, Lagoon of (Italy)
(1)
-
Venn diagrams
(1)
-
Venom
(1)
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Ventilation
(3)
-
Venture capital
(3)
-
Venus (Planet)
(4)
-
Verdicts
(1)
-
Verilog (Computer hardware description language).
(1)
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Vermeer, Johannes, 1632-1675.
(2)
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Vernacular architecture.
(2)
-
Verne, Jules, 1828-1905
(1)
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Versailles (France).
(1)
-
Vertebrate populations
(1)
-
Vertebrates
(6)
-
Vertebrates, Fossil
(2)
-
Vertically rising aircraft.
(1)
-
Veterans
(13)
-
Veterans education
(1)
-
Veterinary anatomy
(3)
-
Veterinary critical care
(3)
-
Veterinary medicine
(14)
-
Veterinary toxicology
(3)
-
Veterinary virology.
(3)
-
VHDL (Computer hardware description language)
(1)
-
Vice-Presidential candidates
(3)
-
Victims of crimes
(19)
-
Victims of crimes surveys
(1)
-
Victims of family violence
(4)
-
Video art
(6)
-
Video display terminals
(3)
-
Video games
(19)
-
Video recording
(1)
-
Video recordings
(11)
-
Video tape recorders
(1)
-
Videoconferencing
(1)
-
Vietnam
(11)
-
Vietnam War, 1961-1975
(28)
-
Viking Mars Program (U.S.)
(1)
-
Vikings
(2)
-
Vincentians
(2)
-
Vindolanda tablets
(1)
-
Vinyl chloride
(2)
-
Violence
(15)
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Violence in children
(4)
-
Violence in mass media.
(3)
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Violence in motion pictures.
(1)
-
Violence in music
(1)
-
Violence in popular culture.
(3)
-
Violence on television
(2)
-
Violent crimes
(12)
-
Viral vaccines
(3)
-
Virgil
(1)
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Virgin Islands
(1)
-
Virginia
(16)
-
Virginia Historical Society
(4)
-
Virginia Writers' Project.
(1)
-
Virology
(16)
-
Virtual computer systems
(5)
-
Virtual libraries
(2)
-
Virtual museum of Canada
(1)
-
Virtual museums
(2)
-
Virtual reality
(22)
-
Virtual reality in architecture
(2)
-
Virtual reality in art
(1)
-
Virtual reality in education.
(1)
-
Virtual reality in medicine
(2)
-
Virus diseases
(11)
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Viruses
(29)
-
Vision
(17)
-
Vision disorders
(4)
-
Visits of state
(1)
-
Visual anthropology
(4)
-
Visual communication
(8)
-
Visual perception
(9)
-
Visual Resources Association.
(2)
-
Visualization
(1)
-
Vital statistics
(5)
-
Vitamin therapy.
(1)
-
Vitamins
(4)
-
Vitamins in human nutrition
(5)
-
Viticulture
(3)
-
Vladivostok (Russia)
(1)
-
VMS (Computer programs)
(1)
-
Vocabulary
(7)
-
Vocational education
(7)
-
Vocational guidance
(24)
-
Vocational guidance for women
(6)
-
Vocational teachers
(1)
-
Voice literary supplement
(2)
-
Voice mail systems
(2)
-
Voice of America (Organization).
(2)
-
VoiceXML (Document Markup Language)
(2)
-
Volcanic activity prediction
(4)
-
Volcanic eruptions
(1)
-
Volcanism
(26)
-
Volcanoes
(96)
-
Voluntarism
(1)
-
Volunteer workers in science
(1)
-
Voodooism
(1)
-
Voter registration
(10)
-
Voting
(34)
-
Voting-machines
(10)
-
Voyages and travels
(9)
-
Voyages around the world
(2)
-
VRML (Computer program language).
(1)
-
Vulpes
(1)
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