TY  - BOOK
AU  - SEN Sukomal
TI  - Working class of India:  History of emergence and movement 1830-1970
U1  - "Y49.2.N70<-M30, L7" 
PY  - 1977///
CY  - "Calcutta,"
PB  - "K P Bagchi & Company,   "
ER  -