Columbia subject headings:
Harvard subject headings:
Buonafede, Appiano, 1716-1793--Congresses.
Comacchio (Italy)--Biography--Congresses.
Comacchio (Italy)--History--Congresses.
Princeton subject headings:
Buonafede, Appiano, 1716-1793--Congresses.
Comacchio (Italy)--Biography--Congresses.
Comacchio (Italy)--History--Congresses.