Norback, Craig T. <br/><br/>
The must words :  the 6000 most important words for a successful and profitable vocabulary / 
by Craig and Peter Norback, with Sachem Publishing Associates. 
 - New York :  McGraw-Hill,  1979. 
 - 292 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>007047141x (pbk) 0070471363 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocabulary.