Columbia subject headings:
Saint Petersburg (Russia)--Social conditions--19th century.
Saint Petersburg (Russia)--Social conditions--20th century.
Urban poor--Russia (Federation)--Saint Petersburg--Social conditions--19th century.
Urban poor--Russia (Federation)--Saint Petersburg--Social conditions--20th century.
Harvard subject headings:
Low-income housing--Russia (Federation)--Saint Petersburg--History.
Marginality, Social--Russia (Federation)--Saint Petersburg--History.
Urban poor--Housing--Russia (Federation)--Saint Petersburg--History.
Urban poor--Russia (Federation)--Saint Petersburg--History.
Princeton subject headings: