Leo Xiii. <br/><br/>
The Restoration of Christian Philosophy( Aeterni Patris) :   Encyclical Letter / 
Leo Xiii. 
 - Boston :  St. Paul Books & Media ;  1998. 
 - 21 p. ; 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>0819864439       
<br/><br/><label>Dewey Class. No.: </label>G12.1  / 1879