Explore Chicago Collections
https://explore.chicagocollections.org/records/?f6-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions&f1-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions&sort=title&f4-cities=Chicago&f3-cities=Burnham&f2-types=Archival+Collections&f7-institutions=Chicago+History+Museum&f5-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions