Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-names=Burnham%20%26%20Root&f2-neighborhoods=Loop&f3-cities=Chicago&f4-institutions=Art%20Institute%20of%20Chicago&f5-topics=Natural%20%26%20Built%20Environments::Architecture&f6-topics=Natural%20%26%20Built%20Environments::Railways