Gefvert, Constance J. <br/><br/>
Keys to American English / 
Constance Gefvert, Richard Raspa, Amy Richards. 
 - New York :  Harcourt Brace Jovanovich,  1975. 
 - 389 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0155978586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--United States
<br/><br/><label>Subjects--Geographic Terms: </label><br/>English language--Dialects--United States