Two reports:"Street Transportation in Chicago: An Analysis of Administrative Organization and Procedure, Prepared for Northwestern Traffic Institute," by George W. Barton, 1948, and "City's Traffic Efficiency Increased by New Street System in Oklahoma," by George W. Barton and J.H. Robinson, TRAFFIC QUARTERLY, January 1957.

Bibliography and publications of Harold M. Mayer, including material concerning city planning, inland water transportation, urban transportation, and city and transportation planning in Chicago.

Correspondence between Alfred Bettman and officials of the Federal Housing Administration; findings of committees; reports; legislative acts; proposals; agenda; proceedings of the Conference on City Planning Administration in Chicago; correspondence as Director of City Planning, City and County of San Francisco and of the Northeastern Illinois Metropolitan Area Planning Commission; speeches; and scrapbooks.