Pacem in terris / 
 peace on earth 
encyclical letter of his holiness Pope John XXIII; edited by William J. Gibbons. 
 - Glen Rock, N.J :  Paulist Press,  c1963. 
 - 80 p.; 19 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Peace--Religious aspects<br/>Christianity--20th century<br/>Christianity and politics
<br/><br/><label>LC Class. No.: </label>BX 1795 .P43  / P33