Answers to the questionnaire of the Labour Enquiry Committee, Bihar,  for collieries and Noamundi ore mine. 

 - Bombay,  1938. 
 - 149 p.  25 cm. 
<br/><br/><label>LCCN: </label>sa 68006690  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal miners--India--Bihar.
<br/><br/><label>LC Class. No.: </label>HD8039.M62  / I43