Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-topics=Creativity+%26+Thought%3A%3ATheater&f2-topics=Work%3A%3ABusiness&f3-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-types=Archival+Collections&f5-neighborhoods=Loop&f6-institutions=Chicago+History+Museum