• 28 Law Library
• 14 Wisconsin Historical Society Library
• 6 Verona Shelving Facility
• 6 WHS State Archives Preservation Facility
• 4 Middleton Shelving Facility
• 4 Science Libraries Shelving Facility
• 1 Business Library
• 1 Steenbock Library
• 1 Wendt Commons Library - Closed

• 11 Microforms

• 56 Airlines
• 39 History
• 30 Law and legislation
• 26 Aeronautics
• 25 Airports
• 25 Security measures
• 19 Freight
• 19 Passenger traffic
• 15 Government policy
• 14 Deregulation
• 14 Management
• 13 Airplanes
• 13 Transportation
• 11 Terrorism
• 9 Prevention
• 8 Aeronautics and state
• 8 Air travel
• 8 Aircraft industry
• 8 Forecasting
• 7 Air traffic control
• 6 Air-India
• 6 Aircraft accidents
• 6 Airline passenger security screening
• 6 United States. Federal Aviation Administration

• 14 India
• 13 India. Parliament. Committee on Public Undertakings
• 10 Ames Research Center
• 9 United States. National Aeronautics and Space Administration
• 8 United States. Federal Aviation Administration
• 6 Langley Research Center
• 5 Davies, R. E. G. (Ronald Edward George)
• 5 India. Ministry of Civil Aviation
• 5 Morrell, Frederick R
• 5 Shaver, R. D. (Russell D.)
• 5 United States. Office of Aviation Medicine
• 4 Hague Academy of International Law
• 4 Library of Congress. Congressional Research Service
• 3 Caves, Douglas W
• 3 Christensen, Laurits Ray, 1941-
• 3 Dillingham, Gerald Lee, 1947-
• 3 European Commission. Directorate-General Transport
• 3 Findlay, Christopher C. (Christopher Charles)
• 3 Rand Corporation
• 3 Tretheway, Michael W
• 3 United States. Flight Standards Service
• 3 United States. General Accounting Office
• 3 United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
• 3 United States. National Transportation Safety Board
• 3 United States. Office of Aviation Policy and Plans

• 3 French
• 1 German
• 1 Russian
• 1 Serbian
• 1 Spanish

• 138 United States
• 21 India
• 14 Great Britain
• 10 Europe
• 9 Australia
• 8 European Union countries
• 6 Asia
• 5 California
• 5 Pacific Area
• 5 Singapore
• 5 Soviet Union
• 4 Latin America
• 4 New Zealand
• 3 China
• 3 European Economic Community countries
• 3 Pakistan
• 2 Africa
• 2 Papua New Guinea
• 2 Persian Gulf Region
• 2 Philippines
• 1 America
• 1 Bavaria
• 1 Bavaria (Germany)
• 1 Canada
• 1 Central America

• 19 Congresses
• 5 Case studies
• 4 Biography
• 2 Examinations, questions, etc
• 2 Handbooks, manuals, etc
• 2 Pictorial works
• 2 Statistics
• 1 Action and adventure fiction
• 1 Biographies
• 1 Chronology
• 1 Directories
• 1 Fiction
• 1 Novels
• 1 Registers
• 1 Thrillers (Fiction)

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