Bigham, Truman C. b.1896 Transportation, principles and problems - 2d ed. - New York, McGraw-Hill, 1952. - 710 p. illus. 24 cm. LCCN: 51012933 Subjects--Topical Terms: Transportation. [from old catalog]Transportation--United States. [from old catalog] LC Class. No.: HE151 / .B5 1952