Columbia subject headings:
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--18th century--Exhibitions.
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--19th century--Exhibitions.
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--20th century--Exhibitions.
Gosudarstvennyĭ muzeĭ istorii Sankt-Peterburga--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--18th century--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--19th century--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--20th century--Exhibitions.
Harvard subject headings:
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--18th century--Exhibitions.
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--19th century--Exhibitions.
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--20th century--Exhibitions.
Gosudarstvennyĭ muzeĭ istorii Sankt-Peterburga--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--18th century--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--19th century--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--20th century--Exhibitions.
Princeton subject headings:
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--18th century--Exhibitions.
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--19th century--Exhibitions.
Balls (Parties)--Russia (Federation)--Saint Petersburg--History--20th century--Exhibitions.
Gosudarstvennyĭ muzeĭ istorii Sankt-Peterburga--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--18th century--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--19th century--Exhibitions.
Saint Petersburg (Russia)--Social life and customs--20th century--Exhibitions.