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Subjects
- Aircraft exhaust emissions.1
- Children.1
- Civil rights -- United States.1
- Combustion -- Research.1
- Elections -- Michigan -- 1964.1
- Elections -- Michigan -- 1966.1
- Elections -- Michigan -- 1968.1
- Head Start programs.1
- Heat transmission.1
- Political elections -- 1964.1
- Political elections -- 1966.1
- Politics and government -- 1961-1970.1
- Poverty.1
- Space flight.1
- Vietnamese Conflict, 1961-1975.1