Columbia subject headings:
Russia--Emigration and immigration--History--20th century.
Soviet Union--Emigration and immigration--History.
Tatars--Russia--History--20th century.
Tatars--Soviet Union--History.
Harvard subject headings:
Russia--Emigration and immigration--History--20th century.
Soviet Union--Emigration and immigration--History.
Tatars--Russia--History--20th century.
Tatars--Soviet Union--History.
Princeton subject headings:
Tatarstan--Emigration and immigration.
Turkey--Emigration and immigration.
Turks--Russia (Federation)--Tatarstan.