@ARTICLE{Nowak_Marek_The_2018, author={Nowak, Marek}, number={No 4}, journal={Przegląd Filozoficzny. Nowa Seria}, pages={343-357}, howpublished={online}, year={2018}, publisher={Komitet Nauk Filozoficznych PAN}, publisher={Wydział Filozofii Uniwersytetu Warszawskiego}, abstract={In this article I deal with two social encyclical letters – Rerum novarum (1891) and Quadragesimo anno (1931). Also I undertake to discuss the views of Archbishop Wilhelm Emmanuel von Ketteler, who can be regarded as the most important forerunner of the ideas proclaimed later by Pope Leo XIII.}, type={Artykuły / Articles}, title={The encyclical "Rerum novarum" – a Catholic response to Marx and other problems}, URL={http://www.czasopisma.pan.pl/Content/109529/PDF/PF%204-18%2024-M.Nowak.pdf}, doi={10.24425/pfns.2018.125511}, keywords={workers’ question, capitalism, “Rerum novarum”, “Q uadragesimo anno”}, }