Hildegardis Scivias - Hildegardis : Bingensis, santa. (OLS)http://ftis/name/53910; Carlevaris, Angela. (OLS)http://ftis/name/53912; Führkötter, Adelgundis. (OLS)http://ftis/name/53911 (Typographi Brepols editores pontificii,, 1978)