Columbia subject headings:
Harvard subject headings:
Agricultural pests--Turkey--History--20th century.
Grasshoppers--Turkey--History--20th century.
Kurds--Turkey--History--20th century
Kurds--Turkey--Politics and government--20th century
Locusts--Turkey--History--20th century.
Turkey--History--20th century
Turkey--Politics and government--20th century
Princeton subject headings:
Agricultural pests--Turkey--History--20th century.
Grasshoppers--Turkey--History--20th century.
Kurds--Turkey--History--20th century.
Kurds--Turkey--Politics and government--20th century.
Locusts--Turkey--History--20th century.
Turkey--History--20th century.
Turkey--Politics and government--20th century.