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International and interstate commerce in Ohio
(1968)
Toward a regional equilibrium analysis
Isard, Walter, (1970)
Michigan's commerce and commercial policy study
Hazard, John L., (1965)
The U.S. National Transportation Study Commission: Congressional Formulation of policy
Allen-Schult, Edith, (1982)
Transportation and the public utilities
Farris, Martin T., (1969)
Land and water policies for the future
Suggitt, Frank W., (1959)