Federal operation of transportation systems : hearings before the Committee on Interstate and Foreign Commerce of the House of Representatives, Sixty-fifth Congress, second session, H.R. 81722, January 8 to 29, 1918
950 pages : folded diagrams, charts ; 23 cm
39372056
pt. 1. January 8, 9, 10, 11, 1918
pt. 2. January 11, 14, 15, 17, 1918
pt. 3. January 19, 21, 22, 23, 24, 1918
pt. 4. January 28, 29, 1918