Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-topics=yes&f1-topics=Work%3A%3ACommerce+%26+Trade&f2-neighborhoods=Bronzeville&f3-topics=Government+%26+Leadership%3A%3APolitics&f4-institutions=Chicago+Public+Library&f5-topics=Work%3A%3ACommerce+%26+Trade&f6-types=Archival+Collections