Columbia subject headings:
China--History--Ming dynasty, 1368-1644.
China--History--Qing dynasty, 1644-1912.
Migratory locust--Control--China--History.
Harvard subject headings:
Princeton subject headings:
China--History--Ming dynasty, 1368-1644.
China--History--Qing dynasty, 1644-1912.
Migratory locust--Control--China--History.