Carlen, Claudia. <br/><br/>
The Papal Encyclicals 1958-1981 / 
Claudia Carlen. 
 - United States of America :  Mcgrath Publishing Company;  1981. 
 - 408 p. ; 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>0843407646 (HB) 
<br/><br/><label>Dewey Class. No.: </label>G13  / C192