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The operation and regulation of taxicabs in the city of Chicago; a research report
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Transportation deregulation and safety : an investigation into the linkages between economic deregulation and safety performance in the U.S. aviation and motor carrier industries
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Railroad historical materials at Northwestern University, including street railways, private railroads, and industrial facilities using railroad equipment
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Mass transportation in the Chicago metropolitan region : prospects and policy options : a conference sponsored by the Transportation Center, Northwestern University, Evanston, Illinois, April 20-21, 1983
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Proceedings : in search of a rational liner shipping policy : a Northwestern University Transportation Center forum, New York, March 13 and 14, 1978
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