Columbia subject headings:
Harvard subject headings:
Saxony (Germany)--Economic conditions.
Saxony (Germany)--History.
Saxony (Germany)--Social conditions.
Upper Lusatia (Germany)--Economic conditions.
Upper Lusatia (Germany)--History.
Upper Lusatia (Germany)--Social conditions.
Princeton subject headings:
Saxony (Germany)--Economic conditions.
Saxony (Germany)--History.
Saxony (Germany)--Social conditions.
Upper Lusatia (Germany)--Economic conditions.
Upper Lusatia (Germany)--History.
Upper Lusatia (Germany)--Social conditions.