The railroads /
edited by David Morris Potter, Revised by E. Davi d Cronon and Howard R. Lamar.
- New York : Holt, 1960.
- 66 p. ; 24 cm.
- Selected problems in historical interpretation ; 2 .
"Part 2 of the revised version of Government and the American econom y: 1870 to the present, originally prepared by Thomas G. Manning and Da vid M Potter."