John Paul II <br/><br/>
Encyclical on human work 

 - Boston :  St. Paul,  [19??]. 
 - 66 s. ;  19 cm. 
<br/><br/> Ze spuścizna W. Bączkowskiego 
<br/><br/><label>Subjects--Index Terms: </label>Catholic Church. Pope (1978-2005 : John Paul II). Laborem exercens Church and labor