Explore Chicago Collections
https://explore.chicagocollections.org/records/?f2-topics=Work%3A%3AMedicine&f7-cities=Chicago&f6-institutions=Chicago+History+Museum&f5-types=Archival+Collections&f3-topics=Natural+%26+Built+Environments%3A%3AWaterways&f1-topics=Natural+%26+Built+Environments%3A%3AWaterways&f4-institutions=Chicago+History+Museum&f8-types=Archival%20Collections