Literature. 

 - Washington-US :   The library of congress,   1946. 
 - páginas 4-17 
 - Trimestral 
 - Vol.2, no.1 (Mar. 1946) 
 - The United States quarterly book list ;   no.1 .
 - The library of congress. .
<br/><br/> Publicación de libros recientes.