Chicago Historical Society
Clark St. at North Ave.
Chicago, IL 60614-6071
ca. 150,000 photonegatives, ca. 80,000 photoprints; ca. 10,000 transparencies
Includes the photographic archive of the first forty years of work produced by Heidrich-Blessing, a Chicago studio that specializes in architectural photography. Images primarily show interior and exterior views of buildings and structures.