x  x <br/><br/>
Man threatened  x 

 - x 
 - Evanston Illinois  McDougal, Littell  1972 
 - (vi), 148 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Applied Behavior 
<br/><br/><label>Dewey Class. No.: </label>158/M266