Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-topics=Work%3A%3ABusiness&f3-topics=Events+%26+Movements%3A%3AGreat+Chicago+Fire&browse-topics=yes&f2-topics=Work%3A%3ABusiness&f1-topics=Daily+Life+%26+Identity%3A%3AFamily+%26+Home+Life&f5-institutions=Chicago%20History%20Museum&f6-topics=Events%20%26%20Movements::Disasters&f7-cities=Chicago&f8-institutions=Chicago%20History%20Museum&f9-types=Archival%20Collections