Columbia subject headings:
Constantinople (Ecumenical patriarchate)--History.
Constantinople (Ecumenical patriarchate)--Politics and government.
Greeks--Political activity--Turkey.
Turkey--History--20th century.
Harvard subject headings:
Constantinople (Ecumenical patriarchate)--History--20th century.
Constantinople (Ecumenical patriarchate)--Politics and government--20th century.
Turkey--History--20th century.
Princeton subject headings:
Constantinople (Ecumenical patriarchate)--Politics and government.
Greeks--Turkey--Political activity.
Turkey--Politics and government--20th century.