TY  - GEN
AU  - Gray,Ralph
AU  - Peterson,John M
TI  - Economic development of the United States
T2  - Irwin series in economics
SN  - 025601549X
PY  - 1974///
CY  - Homewood [Ill.]
PB  - Richard D. Irwin
N1  - First published 1969
ER  -