Nash, Jay Briyan,  1886-1965 <br/><br/>
The organization and administration of play grounds and recreation / 
by Jay B. Nash. 
 - New York :  A. S. Barnes,  1938. 
 - 547 p. 
<br/><br/><label>Encabezamiento--Tema: </label><br/>CAMPOS DEPORTIVOS<br/>Diversiones<br/>Juegos<br/>Juegos infantiles