Columbia subject headings:
City dwellers--Russia.
City dwellers--Soviet Union.
Families--Russia.
Families--Soviet Union.
Russia--Population--History--20th century.
Russia--Social conditions--1801-1917.
Soviet Union--Social conditions--1917-1945.
Harvard subject headings:
City dwellers--Russia.
City dwellers--Soviet Union.
Families--Russia--History.
Families--Russia.
Families--Soviet Union--History.
Families--Soviet Union.
Russia--Population--History--20th century.
Russia--Social conditions--1801-1917.
Soviet Union--Social conditions--1917-1945.
Princeton subject headings:
Families--Russia--History.
Families--Soviet Union--History.