Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-cities=Chicago&f3-cities=Chicago&f1-topics=Events%20%26%20Movements%3A%3AFairs%20%26%20Conventions&f2-neighborhoods=Loop&f5-topics=Events%20%26%20Movements::1968%20Democratic%20Convention&f6-topics=Government%20%26%20Leadership::Politics