Columbia subject headings:
Harvard subject headings:
Greeks--Former Soviet republics--History--20th century.
Greeks--Pontus--Ethnic relations.
Greeks--Pontus--History--20th century.
Greeks--Russia (Federation)--History--20th century.
Princeton subject headings:
Greeks--Former Soviet republics--History--20th century.
Greeks--Pontus--Ethnic relations.
Greeks--Pontus--History--20th century.
Greeks--Russia (Federation)--History--20th century.