Explore Chicago Collections
https://explore.chicagocollections.org/records/?f2-topics=Events%20%26%20Movements%3A%3AFairs%20%26%20Conventions&f4-cities=Chicago&f5-topics=Events%20%26%20Movements%3A%3AFairs%20%26%20Conventions&f3-institutions=Chicago%20History%20Museum&f1-institutions=Chicago%20History%20Museum&f6-topics=Natural%20%26%20Built%20Environments::Parks