Porter G. Perrin <br/><br/>
Writer's guide and index to english / 
Perrin G.P. 
 - 1st 
 - U.S.A :  Scott,Foresman and co ,  1965. 
 - 911p. : 
<br/><br/>Includes index. 
<br/><br/><label>LC Class. No.: </label>PE 1411  / .P47 1972