Columbia subject headings:
Harvard subject headings:
Albertus, de Parma, active 13th century.
Papacy--History--To 1309
Papal nuncios.
Sinitius, active 13th century.
Princeton subject headings:
Albertus, de Parma, active 13th century.
Papacy--History--To 1309.
Papal nuncios.
Sinitius, active 13th century.