Vita sancti Geraldi Auriliacensis - Odo : di Cluny, <santo, 879?-942>. (OLS)http://semarc/name/67994; Bultot-Verleysen, Anne-Marie. (OLS)http://semarc/name/18940 (Société des Bollandistes, 2009)
Keywords: Silvestro II <papa; 950-1003>. (OLS)http://semarc/subject/34948; Francia - Storia religiosa. (OLS)http://semarc/subject/3521