Subjects
- Political elections -- 1964.1
- Political elections -- 1966.1
- Political elections -- 1968.1
- Political elections -- 1970.1
- Political elections -- Michigan.1
- Political elections.1
- Politics and government -- 1961-1970.1
- Politics and government -- Michigan.1
- Politics and public policy.1
- Pollution -- Law and legislation -- Michigan.1
- Pollution -- Michigan.1
- Popular music -- United States.1
- Prairies -- Michigan.1
- Presidents -- United States -- Election -- 1960.1
- Presidents -- United States -- Election -- 1968.1
- Public lands -- Recreational use.1
- Public welfare administration -- Michigan.1
- Radioactive waste disposal -- Michigan.1
- Recreation.1
- Refuse and refuse disposal.1