Volume 2.:F-O - Vauchez, André. (OLS)http://ftis/name/51539; Leonardi, Claudio. (OLS)http://ftis/name/51702; Vincent, Catherine. (OLS)http://ftis/name/53103 (Dizionario enciclopedico del Medioevo, 1998)

1 - Speyr, Adrienne von. (OLS)http://ftis/name/52970; Balthasar, Hans Urs : von, card., 1905-1988. (OLS)http://ftis/name/51283 (Apocalisse, 1983)