Columbia subject headings:
Saint Petersburg (Russia)--Ethnic relations--History.
Saint Petersburg (Russia)--History.
Saint Petersburg (Russia)--Social life and customs.
Harvard subject headings:
Minorities--Russia (Federation)--Saint Petersburg--History--19th century.
Saint Petersburg (Russia)--Social life and customs.
Social classes--Russia (Federation)--Saint Petersburg--History--19th century.
Princeton subject headings:
Saint Petersburg (Russia)--History.
Saint Petersburg (Russia)--Social life and customs.