For more on the CTA and urban transportation issues in 1950s Chicago, see the City and Suburb section of the America on the Move exhibition.
Moffat, Bruce G. The L: The Development of Chicago's Rapid Transit System, 1888-1932. (1995)
Barrett, Paul. The Automobile and Urban Transit: The Formulation of Public Policy in Chicago, 1900-1930. (1983)
Meyer, John R and Jose A. Gomez-Ibanez. Autos, Transit, and Cities. (1965)
Owen, Wilfred. The Metropolitan Transportation Problem. (1966)
Lind, Alan R. Chicago Surface Lines: An illustrated History (1974)
Cherry, David H. When Private Went Public (Masters Thesis, 1992)
Young, David. Chicago Transit: An Illustrated History. (1998)