New teaching aids for the American classroom : 

 - [Washington] :  U.S. Dept. of Health, Education, and Welfare, Office of Education,  [1962]. 
 - xii, 173 p. :  illusustrations ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Television in education.<br/>Teaching machines.
<br/><br/><label>Dewey Class. No.: </label>371.33  / USN 1962