Columbia subject headings:
Harvard subject headings:
Industrialization--Germany--Saxony--History--Congresses.
Industries--Germany--Saxony--History--Congresses.
Saxony (Germany)--Economic policy--Congresses.
Princeton subject headings:
Industrialization--Germany--Saxony--History--Congresses.
Industries--Germany--Saxony--History--Congresses.
Saxony (Germany)--Economic policy--Congresses.