53330. Railroads and american economic growth: essays in econometric history / by Robert William Fogel. - Baltimore [etc.] : The Johns Hopkins Press, 1970. 296 p.: 21 cm. - . - Met bibliogr., reg. - Original ed. cop.1964 PK : NS K 417

53330. Railroads and american economic growth: essays in econometric history / by Robert William Fogel. - Baltimore [etc.] : The Johns Hopkins Press, 1970. 296 p.: 21 cm. - . - Met bibliogr., reg. - Original ed. cop.1964 PK : NS K 417