American Transit Association, Moving People in Modern Cities, n.d., pp. 32.
2.
—, Transit Fact Book, 1945, pp. 46.
3.
Kate K. Liepmann, The Journey to Work; its Significance for Industrial and Community Life, New York: Oxford University Press, 1944, pp. 199.
4.
John Anderson Miller, Fares, Please! From Horse-Cars to Streamliners, New York : D. Appleton-Century Co., 1941, pp. 204.
5.
Ladislas Segoe (Ed.), Local Planning Administration , Chicago: International City Managers' Association, Chap. 6, "Traffic, Parking, and Transit," pp. 188-246.
6.
Regional Plan Association, Inc., Regional Survey of New York and Environs, Vol. III, "Highway Traffic," and Vol. IV, "Transit and Transportation."
7.
Boston Elevated Railway, Fifty Years of Unified Transportation in Metropolitan Boston, 1938.
8.
The Commonwealth of Massachusetts, Report of the Legislative Commission on Rapid Transit, 1945, pp. 111.
9.
Detroit Transportation Board, Detroit Expressway and Transit System, Feb. 1945.
10.
Los Angeles Central Business District Association, Transit Study, Los Angeles Metropolitan Area, 1944, pp. 39.
11.
Los Angeles County Regional Planning Commission, Freeways of the Region.
12.
City of Chicago, Department of Subways and Superhighways, A Comprehensive Superhighway Plan for the City of Chicago, 1939.
13.
Leslie Williams, "Transit and Urban Express-ways," Traffic Engineering , July 1945, pp. 3-11.
14.
Chamber of Commerce of the U. S. A., Urban Transportation, May 1945, pp. 15.