Columbia subject headings:
Harvard subject headings:
Drama festivals--Austria--Lower Austria--History--20th century.
Festivals--Austria--Lower Austria--History--20th century.
Festivals--Political aspects--Austria--Lower Austria.
Princeton subject headings:
Drama festivals--Austria--Lower Austria--History--20th century.
Festivals--Austria--Lower Austria--History--20th century.
Festivals--Political aspects--Austria--Lower Austria.