Annual report on the chemical examiner's department, Bengal for 1922 /       
Government of Bengal. 
 - Calcutta :  Bengal secretariat book depot  1923 
 - 8p.  31cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technologists - Report 
<br/><br/><label>Dewey Class. No.: </label>660.092  / GOA 1923