Explore Chicago Collections
https://explore.chicagocollections.org/records/?f3-topics=Work%3A%3AAdvertising&f5-institutions=University+of+Chicago&f4-institutions=University+of+Chicago&f2-topics=Natural+%26+Built+Environments%3A%3ARailways&f1-types=Archival+Collections&browse-topics=yes&sort=title