Creator
- Little Traverse Conservancy.1
- Lorch, Emil, 1870-19631
- Metcalf, Robert Clarence, 1923-1
- Muschenheim, William.1
- O'Dell, Frederick C. (Frederick Charles)1
- Osler, David W.1
- Palmer family.1
- Pond Family.1
- Sanders, Walter, 1906-19721
- Schwartz, Robert (Robert E.)1
- Smith, Hinchman, and Grylls, inc.1
- Smith, J. V. (John V.)1
- Sullivan, Louis H., 1856-19241
- Tobocman, Irving.1
- University of Michigan.1
- University of Michigan. Dept. of Physics.1
- University of Michigan. Detroit Observatory.1
- University of Michigan. Martha Cook building.1
- University of Michigan. Observatory.1
- University of Michigan. Plant Extension Services.1