Columbia subject headings:
Italians--Argentina--Social life and customs.
Music--Argentina--Italian influences.
Opera--Social aspects--Argentina--History.
Harvard subject headings:
Italians--Argentina--Social life and customs.
Music--Argentina--Italian influences.
Opera--Social aspects--Argentina--History.
Princeton subject headings:
Italians--Argentina--Social life and customs.
Music--Argentina--Italian influences.
Opera--Social aspects--Argentina--History.