Columbia subject headings:
Archives.
Archivio vaticano.
Battelli, Giulio, 1904-2005--Bibliography.
Diplomatics.
Harvard subject headings:
Archives
Archivio vaticano
Battelli, Giulio, 1904-2005--Bibliography.
Diplomatics.
Princeton subject headings:
Archives.
Archivio vaticano.
Battelli, Giulio, 1904-2005--Bibliography.
Diplomatics.