Explore Chicago Collections
https://explore.chicagocollections.org/records/?f3-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions&f5-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions&sort=title&f1-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions&f4-topics=Natural+%26+Built+Environments%3A%3ARailways&f6-topics=Events+%26+Movements%3A%3AEarly+Chicago+%281837-1871%29&browse-topics=yes&f2-topics=Natural+%26+Built+Environments%3A%3AWaterways