- Chicago and NorthWestern Railway Historical Society
- The offical web site of the CNWHS.
- Soo Line Historical and Technical Society
- Official SOO society. Well supported by the railroad and run by some very talented folks.
- Milwaukee Road Historical Association web site
- The name says it all - a 'must' for Milwaukee fans
- Duluth, South Shore and Atlantic RR Web Page
- Modeller's research site, and inspiriation for this site. Very well done with some very good links already in place, and more sure to follow.
- Copper Range RR and Copper County
- Very informative site on UP Michigan including railroads, copper mining, links to many RR and non-RR sites, industrial archaeology, and more