Baum,Gregory. <br/><br/>
The priority of labour :  a  commentary on laborem exercens encyclical letter of pope john paul ii. 

 - ed. 
 - new york :  Paulist press,  1982. 
 - 152  p. ;    cm. 
<br/><br/>appendex. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>labour.