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