[John Paul II]..
On human work : encyclical Laborem exercens /
addressed by the Supreme Pontiff John Paul II to his venerable brothers in the episcopate, to the priests, to the religious families, to the sons and daughters of the Church and to all men and women of good will 
. - Boston  : St. Paul Editions,  [1981] 
. - 66 p.  18 cm. 
<br/><br/> On the ninetieth anniversary of Rerum novarum ; назва на обклад. : Encyclical letter of His Holiness Pope John Paul II "On human work" = "Laborem exercens"..