Batty, CD. <br/><br/>
Introduction to colon classification /  

 - London W11 :   Clive Bingley Ltd. ,   1981 
 - 90p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Science
<br/><br/><label>Dewey Class. No.: </label>2:12  / K6