Columbia subject headings:
Macerata (Italy : Province)--History--Congresses.
Marche (Italy)--History--Congresses.
Nobility--Italy--Macerata (Province)--Congresses.
Nobility--Italy--Marche--Congresses.
Harvard subject headings:
Macerata (Italy : Province)--History--Congresses.
Marche (Italy)--History--Congresses.
Marche (Italy)--Social conditions--Congresses.
Nobility--Italy--Macerata (Province)--Congresses.
Nobility--Italy--Marche--Congresses.
Nobility--Italy--Marche--History--Congresses.
Princeton subject headings:
Macerata (Italy : Province)--History--Congresses.
Marche (Italy)--History--Congresses.
Nobility--Italy--Macerata (Province)--Congresses.
Nobility--Italy--Marche--Congresses.