Martens, Elise H.  1887- <br/><br/>
Group activities for mentally retarded children;  a symposium, 
compiled by Elise H. Martens, senior specialist in the education of exceptional children, Office of Education. 
 - Washington,  U.S. Govt. Print. Off.,  1933. 
 - v, 146 p.  front., illus. 14 pl. on 7 l.  23 cm. 
<br/><br/> At head of title: United States Department of the Interior. Harold L. Ickes, secretary. Office of Education, William John Cooper, commissioner. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>e  33001446  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children with mental disabilities--Education.
<br/><br/><label>LC Class. No.: </label>L111  / .A6 1933, no. 7 
<br/><br/><label>Dewey Class. No.: </label>371.92