Phillips, W. Howard. <br/><br/>
A primer of book classification / 
W. Howard Phillips. 
 - 5th ed. 
 - London :  Association of Assistant Librarians,  c1961. 
 - 232 p. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Books.
<br/><br/><label>Dewey Class. No.: </label>025.43  / PHP 1961