Columbia subject headings:
Harvard subject headings:
Austria--Civilization--19th century.
Brazil--Civilization--20th century.
Bruckner, Anton, 1824-1896--Congresses.
Linz (Austria)--Civilization--19th century.
Mexico--Civilization--19th century.
Music--Social aspects--History--19th century--Congresses.
Princeton subject headings:
Austria--Civilization--19th century.
Brazil--Civilization--20th century.
Bruckner, Anton, 1824-1896--Congresses.
Linz (Austria)--Civilization--19th century.
Mexico--Civilization--19th century.