Columbia subject headings:
DVD-Video discs--History--Congresses.
Digital cinematography--Archives--Congresses.
Digital media--History--Congresses.
Digital preservation--History--Congresses.
Digital television--Archives--Congresses.
Digital video--History--Congresses.
Harvard subject headings:
DVD-Video discs--History--Congresses.
Digital cinematography--Archives--Congresses.
Digital media--History--Congresses.
Digital preservation--History--Congresses.
Digital television--Archives--Congresses.
Digital video--History--Congresses.
Princeton subject headings:
DVD-Video discs--History--Congresses.
Digital cinematography--Archives--Congresses.
Digital media--History--Congresses.
Digital preservation--History--Congresses.
Digital television--Archives--Congresses.
Digital video--History--Congresses.