Columbia subject headings:
Burgenland (Austria)--Civilization--Congresses.
Folk music--Austria--Burgenland--Congresses.
Romanies--Music--Austria--Burgenland--Congresses.
Romanies--Music--History and criticism--Congresses.
Harvard subject headings:
Burgenland (Austria)--Civilization--Congresses.
Folk music--Austria--Burgenland--Congresses.
Romanies--Austria--Burgenland--Music--Congresses.
Romanies--Music--Austria--Burgenland--Congresses.
Romanies--Music--History and criticism--Congresses.
Princeton subject headings:
Burgenland (Austria)--Civilization--Congresses.
Folk music--Austria--Burgenland--Congresses.
Romanies--Music--Austria--Burgenland--Congresses.
Romanies--Music--History and criticism--Congresses.