- Cox, William T. (William Thomas), 1878-19611
- Cram, George Franklin, 1841-19281
- Duluth & Iron Range Railroad Company1
- Elmquist, Charles Emil (1873-1948)1
- France. Corps d'état-major1
- George F. Cram Company1
- Goldbaum, David, 1858-19301
- Great Britain. Ordnance Survey1
- Jacobson, Ole P.B.1
- Kartographische Anstalt Freytag und Berndt.1
- Leverett, Frank, 1859-19431
- Matthews-Northrup Company1
- Mills, Ira B.1
- Minnesota Forest Service1
- National Geographic Society (U.S.). Cartographic Division1
- North Dakota. Office of Railroad Commissioners1
- Oklahoma Geological Survey1
- Oswald, Felix, 1866-19581
- Railroad and Warehouse Commission of the State of Minnesota1
- Renshawe, John H1