Explore Chicago Collections
https://explore.chicagocollections.org/records/?f7-topics=Work%3A%3AOccupations&f5-topics=Work%3A%3AOccupations&f4-topics=Work%3A%3AOccupations&f1-cities=Chicago&browse-names=yes&f3-topics=Work%3A%3AOccupations&f6-institutions=Newberry%20Library&f8-institutions=Newberry%20Library