Singh, Narayan Prasad <br/><br/>
The East India company's monopoly industries in Bihar with particular reference to opium and saltpetre (1773-1833) 
Narayan Prasad Singh. 
 - Muzaffarpur  Sarvodaya Vangmaya  1980 
 - 267p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>British Raj<br/>India - History
<br/><br/><label>Dewey Class. No.: </label>954.12031  / S47E