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Names
- Bentley Historical Library2
- Aldo Leopold1
- Angell, Carleton Watson, 1887-1963.1
- Curtis Publishing Company1
- Gifford Pinchot1
- Goodrich, Calvin.1
- Leopold, Aldo, 1886-19481
- Leopold, Aldo, 1886-1948.1
- Lovejoy, Parrish Storrs, 1884-19921
- Michigan Farm Bureau.1
- Pinchot, Gifford, 1865-19461
- Pinchot, Gifford, 1865-1946.1
- University of Michigan -- Faculty.1
- University of Michigan. School of Natural Resources.1
- Weech, William Nassau, 1878-1