Dent, Ellsworth Charles,  1899- <br/><br/>
Good references on pictures, maps, charts, etc., as classroom aids ... 
 Pictures, maps, charts, etc., as classroom aids 
Compiled by Ellsworth C. Dent, chief, Division of Motion Pictures, Department of the Interior and Martha R. McCabe, assistant librarian, Office of Education. United States Department of the Interior, Harold L. Ickes, secretary. Office of Education, J.W. Studebaker, commissioner. 
 - Washington,  U.S. Govt. Print. Off.,  1935. 
 - 1 p. l., 13 p.  21 x 8 cm. 
 - U.S. Office of Education. Bibliography ;  no. 34 .
 - Bibliography (United States. Office of Education) ;  no. 34. .
<br/><br/><label>LCCN: </label>e  36000085  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Visual education--Bibliography.
<br/><br/><label>LC Class. No.: </label>Z5811  / .U42 no. 34