Columbia subject headings:
Harvard subject headings:
Lower Lusatia (Germany)--History.
Sorbian languages--Germany--Lower Lusatia--History.
Sorbian literature--History and criticism.
Sorbs--Germany--Lower Lusatia--History.
Sorbs--Germany--Lower Lusatia--Languages--History.
Princeton subject headings:
Lower Lusatia (Germany)--History.
Sorbian languages--Germany--Lower Lusatia--History.
Sorbian literature--History and criticism.
Sorbs--Germany--Lower Lusatia--History.
Sorbs--Germany--Lower Lusatia--Languages--History.