Batty, C. D. <br/><br/>
An introduction to colon classification / 
by C. D. Batty. 
 - London :  Clive Bingley,  1966. 
 - 90 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Colon.<br/>Classification--Books.