Columbia subject headings:
Agriculture--Economic aspects--India--Bihar.
Bihar (India)--Economic conditions.
Depressions--1929--India.
Harvard subject headings:
Agriculture--Economic aspects--India--Bihar.
Bihar (India)--Economic conditions.
Depressions--1929--India.
Princeton subject headings:
Agriculture--Economic aspects--India--Bihar.
Bihar (India)--Economic conditions.
Depressions--1929--India.