Columbia subject headings:
Japan--Social conditions--19th century.
Ninomiya, Sontoku, 1787-1856.
Odawara-shi (Japan)--Politics and government--19th century.
Sociology, Rural--Japan--History--19th century.
Harvard subject headings:
Japan--Social conditions--1600-1868--Sources.
Ninomiya, Sontoku, 1787-1856
Odawara-han (Japan)--Rural conditions--Sources.
Sociology, Rural--Japan--Sources.
Princeton subject headings:
Japan--Social conditions--1600-1868--Sources.
Ninomiya, Sontoku, 1787-1856.
Odawara-han (Japan)--Rural conditions--Sources.
Sociology, Rural--Japan--Sources.