• 2 Wisconsin Historical Society Library

• 117 Maps, Atlases

• 6 Instrument flying
• 2 Aeronautics
• 2 Maps
• 1 Airports
• 1 Airways
• 1 Baltimore Washington International Airport
• 1 Government publications
• 1 Ronald Reagen Washington National Airport
• 1 United States. Defense Mapping Agency
• 1 United States. National Aeronautical Charting Office
• 1 United States. National Oceanic and Atmospheric Administration
• 1 Washington Dulles International Airport

• 109 United States. National Aeronautical Charting Office
• 22 United States. National Ocean Service
• 5 United States. Federal Aviation Administration. National Aeronautical Navigation Services
• 5 United States. Office of Aeronautical Charting
• 2 United States. Defense Mapping Agency
• 1 Defense Mapping Agency Combat Support Center (U.S.)
• 1 United States. National Aeronautical Charting Office (U.S.)
• 1 United States. National Imagery and Mapping Agency
• 1 United States. National Oceanic and Atmospheric Administration
• 1 Wisconsin. Division of Aeronautics
• 1 Wisconsin. State Aeronautics Commission

• 22 Alaska
• 14 Middle West
• 12 Southwestern States
• 10 United States
• 6 Northwestern States
• 6 Texas
• 5 Mexico
• 5 South Atlantic States
• 4 California
• 4 Southern States
• 3 Aleutian Islands
• 3 Canada
• 3 Florida
• 3 Middle Atlantic States
• 3 North Pacific Ocean
• 2 Arizona
• 2 Bahamas
• 2 Boston Region
• 2 Chicago Region
• 2 Colorado
• 2 East (U.S.)
• 2 Gulf Coast (U.S.)
• 2 Illinois
• 2 Lake States
• 2 Louisiana

• 121 Periodicals
• 6 Charts, diagrams, etc
• 6 Maps
• 5 Catalogs
• 4 Bibliography
• 2 Aeronautical charts
• 2 Topographic maps
• 1 Directories
• 1 Raster data

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