Oppen, Lucy. <br/><br/>
Further steps in teaching health ...  Department of the Interior. Bureau of Education, 1920. 

 - Washington,  Govt. print. off.,  1920. 
 - 20 p.  illus. (incl. music)  23 cm. 
 - [U.S.] Bureau of education. Health education,  no. 6 .
<br/><br/>Bibliography: p. 20. 
<br/><br/><label>LCCN: </label>e  20000524  
<br/><br/><label>Subjects--Topical Terms: </label><br/>School hygiene--United States.<br/>Health education.
<br/><br/><label>LC Class. No.: </label>L111  / .A67 no. 6