Fergus, Patricia M <br/><br/>
Spelling improvement  a program for self-instruction /  
Patricia M. Fergus. 
 - 3d ed. 
 - New York :  McGraw-Hill,  1978. 
 - viii, 240 p. ;    24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>007020456X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Orthography and spelling<br/>Vocabulary