- Created:
- 1912
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Created:
- 1928
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Created:
- 1928
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Created:
- 1904
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Created:
- 1933
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Created:
- 1912
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Created:
- 1939
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Created:
- 1928
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2017-12-11
- Creator:
- Hansen, David L., 1952-
- Created:
- 1976-10-01
- Contributed By:
- University of Minnesota, Minnesota Agricultural Experiment Station.
- Last Updated:
- 2020-03-09
- Creator:
- Hansen, David L., 1952-
- Created:
- 2005-01-04
- Contributed By:
- University of Minnesota, Minnesota Agricultural Experiment Station.
- Last Updated:
- 2020-03-09