"Chicago Illinois. Looking down
Michigan Avenue in Chicago. Buildings shown are (L. to R.) #333 No. Michigan
Avenue; Carbon and Carbide Building; London Guarantee & Accident Building; Lincoln
Tower; Pure Oil; and Wrigley Building"
By Oliver E. Pfeiffer, March 1951 National Archives and Records Administration,
Records of the U.S. Information Agency (306-PS-51-4723) [VENDOR # 113]