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Names
- Bentley Historical Library27
- West Michigan Environmental Action Council.4
- Michigan Environmental Council.3
- Michigan Land Use Institute.3
- Republican Party (Mich.)3
- Bentley Historical Library (collector)2
- East Michigan Environmental Action Council.2
- Engler, John, 1948-2
- Michigan Natural Areas Council.2
- Michigan Nature Association.2
- Michigan United Conservation Clubs.2
- Michigan. Constitutional Convention (1961-1962)2
- Michigan. Dept. of Natural Resources.2
- Michigan. Legislature. Senate.2
- Milliken, William G., 1922-2
- Pollack, Lana, 1942-2
- Sierra Club. Michigan Chapter.2
- University of Michigan -- Faculty.2
- Adler, Morris.1
- Albert Kahn Associates.1