Pius XI  (papież ;  1857-1939) <br/><br/>
Encyclical Letter (Divini Redemptoris) of of His Holiness, Pope Pius XI issued March 19, 1937. 

 - Washington :  National Catholic Welfare Conference,  cop. 1937. 
 - 34 p. ;  19 cm. 
 - Atheistic Communism .
<br/><br/><label>Subjects--Index Terms: </label>Communism. Christian sociology -- Catholic Church.