Columbia subject headings:
Harvard subject headings:
Dubrovnik (Republic)--Congresses.
Dubrovnik (Republic)--Relations--Italy--Congresses.
Italy--Relations--Croatia--Dubrovnik (Republic)--Congresses.
Italy--Relations--Dubrovnik (Republic)--Congresses.
Navigation--Mediterranean Region--History--Congresses.
Princeton subject headings:
Dubrovnik (Republic)--Congresses.
Dubrovnik (Republic)--Relations--Italy--Congresses.
Italy--Relations--Dubrovnik (Republic)--Congresses.