Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-topics=yes&f1-institutions=University+of+Chicago&f2-cities=Elgin&f3-topics=Work%3A%3AAdvertising&f4-topics=Natural+%26+Built+Environments%3A%3ARailways&f5-cities=Elgin&f6-cities=Elgin&f7-cities=Elgin&f8-cities=St.+Charles&f9-institutions=University+of+Chicago