Columbia subject headings:
Etiquette--Austria--Vienna--History--19th century--Sources.
Political customs and rites--Austria--Vienna--History--19th century--Sources.
Vienna (Austria)--Court and courtiers--History--19th century--Sources.
Vienna (Austria)--Social life and customs--19th century--Sources.
Harvard subject headings:
Etiquette--Austria--Vienna--History--19th century--Sources.
Political customs and rites--Austria--Vienna--History--19th century--Sources.
Vienna (Austria)--Court and courtiers--History--19th century--Sources.
Vienna (Austria)--Social life and customs--History--19th century--Sources.
Princeton subject headings:
Etiquette--Austria--Vienna--History--19th century--Sources.
Political customs and rites--Austria--Vienna--History--19th century--Sources.
Vienna (Austria)--Court and courtiers--History--19th century--Sources.
Vienna (Austria)--Social life and customs--History--19th century--Sources.