Sweet, Waldo E. <br/><br/>
A course on words / 
Waldo E. Sweet, Glenn M. Knudsvig 
 - New York :  Harcourt Brace Jovanovich,  1982 
 - 353p. :  ill. ;  28cm. 
<br/><br/><label>ISBN: </label>0155151835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocabulary--Programmed instruction<br/>English language--Etymology--Programmed instruction<br/>English language--Foreign element--Programmed Instruction