Columbia subject headings:
Archives--Germany--Baden-Württemberg.
Baden-Württemberg (Germany)--History--Sources.
Gönner, Eberhard.
Harvard subject headings:
Archives--Germany--Baden-Württemberg.
Baden-Württemberg (Germany)--History--Sources.
Gönner, Eberhard.
Princeton subject headings:
Archives--Germany--History.
Archives.
Gönner, Eberhard.