Columbia subject headings:
Harvard subject headings:
Archival materials--Standards--Germany--Congresses.
Archives--Germany--Congresses.
Information services--Germany--Congresses.
Information storage and retrieval systems--Archival materials--Congresses.
Princeton subject headings:
Archival materials--Standards--Germany--Congresses.
Archives--Germany--Congresses.
Information services--Germany--Congresses.
Information storage and retrieval systems--Archival materials--Congresses.