Hook, J. N. (Julius Nicholas), 1913- <br/><br/>
Spelling 1500  a program 
J. N. Hook. 
 - 2d ed. 
 - New York  Harcourt Brace Jovanovich  1976. 
 - xvi, 300 p. ;    28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0155832115 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Orthography and spelling--Programmed instruction