Retention of the Services of the telephone operations at the Medical College Hospital.  
 7M-1(2)/38 

 -  1938 
 - 11 p;  H-35 cm; W-22 cm 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Retention