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Subjects
- Animals -- Michigan.1
- Automobile industry and trade.1
- Banks and banking -- Michigan.1
- Bridges -- Michigan.1
- Civil rights movements -- United States.1
- Depressions -- 1929 -- United States.1
- Education -- United States.1
- Energy conservation.1
- Environmental policy -- United States.1
- Environmental protection -- Michigan -- Detroit.1
- Environmental protection -- United States.1
- Ferries -- Michigan.1
- Fiscal policy -- United States.1
- Insurance, Health -- United States.1
- Interviews.1
- Labor laws and legislation -- United States.1
- Legislators -- United States.1
- Migrant agricultural laborers -- United States.1
- National health insurance -- Law and legislation -- United States.1
- New Deal, 1933-1939.1