Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-names=Washington%2C+Harold%2C+1922-1987&f2-topics=Work%3A%3ABusiness&f3-types=Archival+Collections&f4-institutions=Chicago+History+Museum&f5-neighborhoods=Lower+West+Side&f6-types=Archival+Collections&f7-topics=Natural+%26+Built+Environments%3A%3ARoads