Wittich, Walter A.  1910- <br/><br/>
Audiovisual materials;  their nature and use 
[by] Walter Arno Wittich [and] Charles Francis Schuller. 
 - 4th ed. 
 - New York,  Harper & Row  [1967] 
 - xvi, 554 p.  illus. part col.  27 cm. 
 - Exploration series in education .
<br/><br/><label>LCCN: </label>67013282  
<br/><br/><label>Nat. Bib. No.: </label>GB68-15626 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education.
<br/><br/><label>LC Class. No.: </label>LB1043  / .W58 1967 
<br/><br/><label>Dewey Class. No.: </label>371.335 WIT 
<br/><br/><label>National Library of Medicine Call No.: </label>LB 1043  / W832a 1967