Kaysen, James P.
Railroads of Wisconsin, 1827-1937.
Railway and Locomotive Historical Society, Inc. and Baker Library, Harvard Business School
Traces track history, and abandonment before 1937, of all rails in Wisconsin. Lowwood photocopy has Milwaukee Road and the Northwestern, and some other trackage. Includes detailed corporate history as well.
- Bookwood Historical Collection, Star Lake
- UW Madison/Wis Hist Soc