- United States Geological Survey (58)
- University of Minnesota (7)
- The Minnesota Daily (6)
- United States Steel Corporation (2)
- University of Minnesota (Minneapolis, Minn.), 1930 (2)
- American Chemical Society 1983 (1)
- Copper Cuntry Vacationist League (1)
- The Regents of the University of Minnesota (2002) (1)
- University of Minnesota (Minneapolis, Minn.), 1888 (1)
- University of Minnesota (Minneapolis, Minn.), 1889 (1)
- University of Minnesota (Minneapolis, Minn.), 1890 (1)
- University of Minnesota (Minneapolis, Minn.), 1891 (1)
- University of Minnesota (Minneapolis, Minn.), 1892 (1)
- University of Minnesota (Minneapolis, Minn.), 1893 (1)
- University of Minnesota (Minneapolis, Minn.), 1894 (1)
- University of Minnesota (Minneapolis, Minn.), 1895 (1)
- University of Minnesota (Minneapolis, Minn.), 1896 (1)
- University of Minnesota (Minneapolis, Minn.), 1897 (1)
- University of Minnesota (Minneapolis, Minn.), 1898 (1)
- University of Minnesota (Minneapolis, Minn.), 1899 (1)
