Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--China, Northwest--Statistics--Periodicals.
Agriculture--Economic aspects--China, Southwest--Statistics--Periodicals.
China, Northwest--Rural conditions--Statistics--Periodicals.
China, Southwest--Rural conditions--Statistics--Periodicals.
Princeton subject headings:
Agriculture--Economic aspects--China, Northwest--Statistics.--Periodicals.
Agriculture--Economic aspects--China, Southwest--Statistics--Periodicals.
China, Northwest--Rural conditions--Statistics--Periodicals.
China, Southwest--Rural conditions--Statistics--Periodicals.
Periodicals.
Statistics.