The church speaks to the modern world :  The social teachings of Leo XIII / 
Ed. by Etienne Gilson. 
 - Garden City, New York :  Image Books,  1954. 
 - 348 p. ;  18 cm. 
<br/><br/>Index p.339-348 
<br/><br/>Cont.:Christian philosophy; The fundamental error; Political authority etc. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Church and social problems--Catholic Church--Papal documents.