Columbia subject headings:
Alfonso V, King of Aragon, 1396-1458--Congresses.
Aragon (Spain)--History--Alfonso V, 1416-1458--Congresses.
Harvard subject headings:
Aragon (Spain)--Civilization--Congresses.
Aragon (Spain)--History--Alfonso V, 1416-1458--Congresses.
Aragon (Spain)--Politics and government--Congresses.
Aragon (Spain)--Relations--Italy--Naples (Kingdom)--Congresses.
Naples (Kingdom)--Relations--Spain--Aragon--Congresses.
Princeton subject headings: