- Berthrong, I. P. (1)
- Chapman, Silas (1)
- Colton, Joseph Hutchins, 1800-1893 (2)
- Dunnewald, Theodore J., 1885-1974 (1)
- Ferd. Mayer & Co. (2)
- Ferdinand Mayer & Co. (1)
- Hale & Chapman (Milwaukee, Wis.) (1)
- Hamilton, Theodore Frank, 1851-1904 (1)
- Jones, Charles Henry, 1837-1911 (1)
- Lewis, Warner (1)
- Milwaukee Lith. & Engr. Co. (2)
- Mitchell Jr., Samuel Augustus (1)
- Railroad Commission of Wisconsin. (2)
- Thompson, Carl (1)
- Wisconsin Geological and Natural History Survey. (1)