Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-cities=yes&f2-cities=Wayne&f3-cities=St.+Charles&f4-cities=Downers+Grove&f5-cities=St.+Charles&f6-cities=Itasca&f7-types=Archival+Collections&f8-institutions=North+Central+College&f9-cities=Hanover+Park