- Aero Distributing Co., Inc; Curteichcolor 3-D Natural Color Reproduction
- University of Illinois at Urbana-Champaign, University Library
Color postcard. On Front: Michigan Avenue North On Back: Michigan Avenue, North showing Prudential Building and Library, Chicago. Library Postcards. Illinois. Color photography. 14.0 x 8.9 cm. Paper. 3297 x 2082 pixels. 600 dpi; 20593302 bytes.
- Chicago, Illinois