Perry, Devern J.  Dr. <br/><br/>
Spelling reference/ 
Devern J. Perry 
 - 5th ed. 
 - iii, 243 pages  illustrations  22 cm 
<br/><br/><label>ISBN: </label>0538691204 
<br/><br/><label>Dewey Class. No.: </label>421.8 PER