Columbia subject headings:
Harvard subject headings:
Automobile industry and trade--Germany--Saxony-Anhalt--History--Congresses.
Automobiles--Germany--Saxony-Anhalt--Exhibitions.
Automobiles--Germany--Saxony-Anhalt--History--Congresses.
Princeton subject headings:
Automobile industry and trade--Germany--Saxony--History--Congresses.
Automobiles--Germany--Saxony--History--Congresses.