"Bénédictin, Bibliothécaire, Archiviste, Italie Petrus Diaconus" . . "Petrus" . "Petrus Diaconus Benediktiner, Bibliothekar, Archivar, Italien" . "Petrus Diaconus, of Montecassino" . "Benediktiner, Bibliothekar, Archivar, Italien Petrus Diaconus" . "of Montecassino" . "Benedictine, Librarian, Archivist, Italy Petrus Diaconus" . "Petrus Diaconus Bénédictin, Bibliothécaire, Archiviste, Italie" . "of Montecassino Petrus Diaconus" . "Petrus Diaconus"@en-US . "Petrus Diaconus Benedictine, Librarian, Archivist, Italy" . "1100" . "Petrus Diaconus" . . "Diaconus" . . .