Blanchard, A. H., “Traffic and Transportation,” Canadian Engineer, Vol. XL, pp. 129-131.
Blum, H., “Transportation of Bulk Freight,” Kali, Halle, Germany.
Bus Transportation.—“Baltimore Service,” Vol. I, p. 484; “Motor Buses,” 479-80; “Bus and Electric Railways as Essentials in Transportation,” by G. A. Green, 293-295; “Battle of the Bus and the Street Car,” by F. H. Warren, 85-88; “New Englanders Hold Meeting to Study Motor Bus and Trackless Trolley,” 124-129, 191-193; “Railway Men Discuss the Bus and its Relation to Rail Transportation,” 195-196.
Davis, F. W., “Motor Truck Transportation,” Engineering News-Record, Vol. LXXXV, pp. 1194-1195.
Donnelly, William T., “Comparison of Cargo Transportation,” Marine Engineering, Vol. XXV, pp. 899-903.
Engineering.—“Bringing the Food to the Table,” Vol. VI, pp. 387-391.
Electric Railway Journal.—“Report of Committee on Trackless Trolley Transportation to the American Electric Railway Association,” Vol. LX, pp. 576-577; “Freight and Motor Truck Competition,” Vol. LVI, pp. 157-160.
Development of the Automobile:
Hiscock, Gardner D., “Horseless Vehicles,” Norman W. Henley & Co., New York, 1901.
Homans, James E., “Self-Propelled Vehicles,” Theo. Audel & Company, New York, 1902.