Columbia subject headings:
Harvard subject headings:
Floods--China--Tibet Autonomous Region--History--19th century--Sources.
Floods--China--Tibet Autonomous Region--History--20th century--Sources.
Tibet Autonomous Region (China)--History--Sources.
Princeton subject headings:
Floods--China--Tibet--History--19th century--Sources.
Floods--China--Tibet--History--20th century--Sources.
Tibet--History--Sources.