Columbia subject headings:
Harvard subject headings:
Czechs--Germany--Lusatia--Social life and customs.
Lusatia (Germany)--Ethnic relations.
Lusatia (Germany)--History--18th century.
Sorbs--Germany--Lusatia--Social life and customs.
Princeton subject headings:
Czechs--Germany--Lusatia--Social life and customs.
Lusatia (Germany)--Ethnic relations.
Lusatia (Germany)--History--18th century.
Sorbs--Germany--Lusatia--Social life and customs.