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