Columbia subject headings:
Harvard subject headings:
Catholic Church. Archdiocese of Perugia (Italy)--History--Sources--Bibliography.
Church records and registers--Italy--Perugia (Archdiocese)--Bibliography.
Church records and registers--Italy--Perugia--Bibliography.
Princeton subject headings:
Church records and registers--Italy--Perugia (Archdiocese)--Bibliography.
Perugia (Archdiocese)--History--Sources--Bibliography.