Playground manual. 

 - Harrisburg, Pa.,  1926. 
 - 51 p.  illus.  23 cm. 
 - Bulletin  no. 30 .
 - Bulletin (Pennsylvania. Department of Public Instruction) ;  no. 30. .
<br/><br/><label>LCCN: </label>e  27000042  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Playgrounds--Pennsylvania.
<br/><br/><label>LC Class. No.: </label>L194  / .B5 no. 30