36.1: Super Dionysium De celeste hierarchia - Albertus : Magnus, <santo, 1193-1280>. (OLS)http://semarc/name/930; Simon, Paul, <1902-1987>. (OLS)http://semarc/name/36426; Kübel, Wilhelm. (OLS)http://semarc/name/1161 (Sancti doctoris Ecclesiae Alberti Magni ordinis fratrum praedicatorum episcopi Opera Omnia, 1993)

Penance in Medieval Europe, 600-1200 - Meens, Rob, <1959- >. (OLS)http://semarc/name/1587 (Cambridge University Press,, 2014)
Keywords: Sacramento della penitenza - Storia. (OLS)http://semarc/subject/5592; Sacramento della penitenza. (OLS)http://semarc/subject/3014