Columbia subject headings:
Archives--Italy--Otranto Region--Catalogs.
Otranto Region (Italy)--Historiography--Congresses.
Otranto Region (Italy)--History, Local--Sources--Bibliography--Catalogs.
Otranto Region (Italy)--History--Research--Congresses.
Salentina Peninsula (Italy)--Historiography--Congresses.
Harvard subject headings:
Archival resources--Italy, Southern--Congresses.
Italy, Southern--Historiography--Congresses.
Italy, Southern--History, Local--Archival resources--Congresses.
Princeton subject headings:
Archives--Italy--Otranto Region--Catalogs.
Otranto Region (Italy)--Historiography--Congresses.
Otranto Region (Italy)--History, Local--Sources--Bibliography--Catalogs.
Otranto Region (Italy)--History--Research--Congresses.
Salentina Peninsula (Italy)--Historiography--Congresses.