Columbia subject headings:
Harvard subject headings:
China--History--Ming dynasty, 1368-1644.
Explorers--China--Biography
Southeast Asia--Description and travel.
Statesmen--China--Biography.
Zheng, He, 1371-1435
Princeton subject headings:
China--History--Ming dynasty, 1368-1644.
Explorers--China--Biography.
Southeast Asia--Description and travel.
Statesmen--China--Biography.
Zheng, He, 1371-1435--Journeys.