Columbia subject headings:
Japan--Social conditions--1185-1600.
Japan--Social conditions--1600-1868.
Japan--Social life and customs--To 1868.
Noncitizens--Japan--History.
Harvard subject headings:
Japan--Social conditions--To 1868.
Japan--Social life and customs--To 1868.
Noncitizens--Japan--History--To 1868.
Princeton subject headings:
Japan--Social conditions--To 1868.
Japan--Social life and customs--To 1868.
Noncitizens--Japan--History--To 1868.