Doctrina social Pontificia. 

 - La Habana  Universidad Católica de Santo Tomás de Villanueva  1960. 
 - 155 p. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Catholic Church--Doctrines.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Church and the world<br/>Christian sociology