Columbia subject headings:
Harvard subject headings:
Japan--Social conditions--1868-1912.
Japan--Social conditions--1912-1945.
Juvenile delinquency--Japan
Juvenile delinquency--Japan--History--19th century.
Juvenile delinquency--Japan--History--20th century.
Social history
Princeton subject headings:
Juvenile delinquency--Japan.
Social history--Japan.