Singh, Narayan Prasad. <br/><br/>
East India Company's monopoly industries in Bihar with particular refernce to Opium and Saltpetre / 
Narayan Prasad Singh. 
 - Muzaffarpur :  Sarvodaya Vangmaya,  1980. 
 - 267p. ;  22cm. 
<br/><br/> Inlcudes index, bibliography 
<br/><br/><label>ISBN: </label>  Rs.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Monopolies--Bihar (India).<br/>Saltpeter industries--Bihar (India).<br/>Bihar (India)--Economic policy.<br/>Industries--History--Bihar (India) -- 1773-1833.
<br/><br/><label>Dewey Class. No.: </label>338.212