00574naa a2200157 i 4500000000325163CaOOAMICUS20210421164639.0180831n xx u000 u und u36086SeMilitaFortin, Ernest L.(OLS)http://semarc/name/85411«Rerum Novarum» and modern political thought.Leone XIII <papa ; 1810-1903> - Encicliche . Rerum novarum.(OLS)http://semarc/subject/10433245«Rerum Novarum» and modern political thought(OLS)http://semarc/title/371955