Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-institutions=Chicago%20History%20Museum&f5-types=Archival%20Collections&f6-topics=Natural%20%26%20Built%20Environments%3A%3ARoads&f1-names=Washington%2C%20Harold%2C%201922-1987&f3-topics=Government%20%26%20Leadership%3A%3AGovernmental%20Organizations