Columbia subject headings:
Genoa (Italy)--Politics and government--Congresses.
Italian language--History--Congresses.
Italian language--Political aspects--Congresses.
Italy--Politics and government--1268-1559--Congresses.
Naples (Kingdom)--Politics and government--Congresses.
Harvard subject headings:
Genoa (Italy)--History--1339-1528--Congresses.
Genoa (Italy)--History--To 1339--Congresses.
Italian language--History--Congresses.
Naples (Kingdom)--History--Anjou dynasty, 1268-1442--Congresses.
Naples (Kingdom)--History--Spanish rule, 1442-1707--Congresses.
Princeton subject headings:
Genoa (Italy)--Politics and government--Congresses.
Naples (Kingdom)--Foreign relations--1442-1707--Congresses.
Naples (Kingdom)--Politics and government--Congresses.