Columbia subject headings:
Parma (Italy : Province)--History--15th century.
Parma (Italy : Province)--Politics and government--15th century.
Harvard subject headings:
Parma (Italy : Province)--History--15th century.
Parma (Italy : Province)--Politics and government--15th century.
Princeton subject headings:
Parma (Italy : Province)--History--15th century.
Parma (Italy : Province)--Politics and government--15th century.