Columbia subject headings:
Agriculture--Economic aspects--China--Anhui Sheng--Sources.
Anhui Sheng (China)--Rural conditions--20th century.
Buck, John Lossing, 1890-1975.
Harvard subject headings:
Agriculture--Economic aspects--China--Anhui Sheng--Sources.
Anhui Sheng (China)--Rural conditions--20th century.
Buck, John Lossing, 1890-1975
Princeton subject headings: