Investigation into the causes of the presence of beetles in the lower bowels of Children in the East Bengal.  
 File No.  2S-31/32 

 -  1932 
 - 10 P.  H-35 cm; W-22 cm 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Investigation