Columbia subject headings:
Harvard subject headings:
Biblioteca apostolica vaticana
Biblioteca apostolica vaticana--Art collections--Catalogs.
Cardinals--Biography
Cardinals--Italy--Portraits--Catalogs.
Cardinals--Portraits--Catalogs.
Librarians--Vatican City--Portraits--Catalogs.
Princeton subject headings:
Biblioteca apostolica vaticana--Art collections--Catalogs.
Biblioteca apostolica vaticana--History.
Cardinals--Biography.
Cardinals--Portraits.
Catalogs.
Catholic Church--Clergy--Biography.
Catholic Church--Clergy--Portraits.
Librarians--Biography.
Librarians--Portraits.
Portraits.