Explore Chicago Collections
https://explore.chicagocollections.org/records/?f3-types=Archival+Collections&f5-institutions=University+of+Illinois+at+Chicago&f1-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions&f4-types=Archival+Collections&f6-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions