Explore Chicago Collections
https://explore.chicagocollections.org/records/?amp=&f1-names=Perkins+%26+Will&f3-topics=Work%3A%3AIndustries&f2-types=Archival+Collections&f4-cities=Chicago&browse-names=yes&sort=title&f5-topics=Government%20%26%20Leadership::Politics&f6-institutions=Chicago%20History%20Museum