Meditazioni e Preghiere cosmiche - Teilhard de Chardin, Pierre. (OLS)http://ftis/name/51303; Mantovani, Fabio. (OLS)http://ftis/name/62910; Bret, Suzanne. (OLS)http://ftis/name/62909; Bret, Édouard. (OLS)http://ftis/name/62908 (Queriniana,, 1994)