TY  - BOOK
AU  - Seligman Edwin R. A.
ED  - 
TI  - Principles of Economics : With Special Reference to American Conditions
U1  - 330.10973 Sel/Pri 
PY  - 1910///
CY  - New York
PB  - Longman Green and Co.
KW  - Economics System
N1  - B
ER  -