Explore Chicago Collections
https://explore.chicagocollections.org/records/?f6-cities=Chicago&sort=title&f2-topics=Events%20%26%20Movements%3A%3AFairs%20%26%20Conventions&f3-types=Archival%20Collections&f1-institutions=Chicago%20History%20Museum&f5-topics=Government%20%26%20Leadership%3A%3ASocial%20Services&f4-institutions=Chicago%20History%20Museum