Columbia subject headings:
Harvard subject headings:
Gratzer, Hans.
Schauspielhaus (Vienna, Austria)--History.
Theater--Austria--Vienna--History.
Princeton subject headings:
Gratzer, Hans.
Schauspielhaus Wien.
Theater--Austria--Vienna--History--20th century.
Theater--Austria--Vienna--History--21st century.
Theatrical producers and directors--Austria--Vienna--Biography.