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Subjects
- Automobile industry and trade -- United States.2
- Trade-unions -- Automobile industry workers -- Michigan.[remove]2
- Aeronautics.1
- Agriculture -- Michigan.1
- Airplanes.1
- Automobile industry and trade.1
- Automobiles.1
- Balloon ascensions.1
- Balloons (Aircraft) -- 1910.1
- Bankruptcy -- Michigan -- Detroit.1
- Civil rights -- United States.1
- Commerce.1
- Economic policy -- United States.1
- Education -- Michigan.1
- Energy policy -- Michigan.1
- Financial crises -- United States.1
- Governmental investigations -- United States.1
- Iraq War, 2003-2011.1
- Labor laws and legislation -- United States.1
- Legislators -- Michigan.1