Columbia subject headings:
Harvard subject headings:
Archival materials--Conservation and restoration--Germany.
Archival materials--Digitization--Germany.
Archives--Germany--History.
Library materials--Conservation and restoration--Germany.
Social movements--Germany--History.
Princeton subject headings:
Archival materials--Conservation and restoration--Germany.
Archival materials--Digitization--Germany.
Archives--Germany--History.
Library materials--Conservation and restoration--Germany.
Social movements--Germany--History.