TY  - BOOK
AU  - Roscher,William George Fredrich
AU  - Wolowski,L.
AU  - Lalor,John J.
ED  - Asutosh Collection (National Library, India)
TI  - Principles of political economy
U1  - 330 
PY  - 1882///
CY  - Chicago
PB  - Callaghan
KW  - Economics
ER  -