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Subjects
- African Americans -- Michigan.1
- Agriculture.1
- American newspapers.1
- Antimissile missiles.1
- Antitrust law.1
- Automobiles -- Pollution control devices.1
- Civil rights -- United States.1
- Conservation of natural resources -- United States.1
- Consumer protection.1
- Depressions -- 1929 -- United States.1
- Elections -- Michigan -- 1922.1
- Elections -- Michigan -- 1964.1
- Elections -- Michigan -- 1970.1
- Elections -- New York (State) -- 1958.1
- Environmental protection -- United States.1
- Korean War, 1950-1953.1
- Labor movement -- United States.1
- Legislators -- United States.1
- New Deal, 1933-1939.1
- Nuclear energy.1