Phillips, W. Howard. <br/><br/>
A primer of book classification. 

 - 5th ed. 
 - London :  Association of Assistant Librarians,  [1964] 
<br/><br/> This ed. first published 1961. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification -- Books.--Classification -- Books.