Explore Chicago Collections
https://explore.chicagocollections.org/records/?sort=title&browse-cities=yes&f1-cities=Chicago&f3-neighborhoods=South+Shore&f2-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-types=Archival%20Collections&f5-topics=Events%20%26%20Movements::Early%20Chicago%20%281837-1871%29