Universal decimal clssification   622 mining and mineral dressing. 623 Military and naval engineering, ordnance, arms production. English Ed. 

 -  1952 
<br/><br/><label>Standard No.: </label>6,353 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:51M96, qJ5-;2 (2D)