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