Cross, A. J. Foy. <br/><br/>
Audio-visual education / 
[by] A.J. Foy Cross and Irene F. Cypher. 
 - New York :  Crowell,  c1961 
 - 415 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education.
<br/><br/><label>Dewey Class. No.: </label>371.335  / CRA 1961