Explore Chicago Collections
https://explore.chicagocollections.org/records/?sort=title&f1-topics=Events+%26+Movements%3A%3A1893+World%27s+Fair&f2-topics=Government+%26+Leadership%3A%3APolitics&f3-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-types=Archival%20Collections&f5-topics=Natural%20%26%20Built%20Environments::Railways