Columbia subject headings:
Harvard subject headings:
History, Ancient--Data processing--Congresses.
History, Ancient--Electronic information resources--Congresses.
History, Ancient--Methodology--Congresses.
Multimedia (Art)--History--Congresses.
Multimedia systems--History--Congresses.
Princeton subject headings:
History, Ancient--Data processing--Congresses.
History, Ancient--Methodology--Congresses.