Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-names=Burnham+%26+Root&f2-topics=Work%3A%3APublishing&f3-institutions=Art+Institute+of+Chicago&f4-institutions=Art+Institute+of+Chicago&f5-topics=Work%3A%3APublishing&f6-types=Archival+Collections