Municipal Airport, 1929. aka Midway Photographer: Chicago Aerial Survey Co. Source: Chicago Historical Society (ICHi-25924) http://encyclopedia.chicagohistory.org/pages/3283.html
Aftermath of the Great Chicago Fire, 1871. Photographer: Unknown Source: Chicago Public Library (ECC 1.1966) http://encyclopedia.chicagohistory.org/pages/3524.html
Michigan ave, 1929 Photographer: Chicago Daily News Source: Chicago Historical Society (DN-0089215) http://encyclopedia.chicagohistory.org/pages/10448.html
