Columbia subject headings:
Juvenile delinquency--Japan--Statistics.
Juvenile delinquency--Research--Japan.
Juvenile delinquents--Research--Japan.
Harvard subject headings:
Japan--Social conditions--1989-
Juvenile delinquency--Japan--History--20th century.
Juvenile delinquency--Japan--History--21st century.
Youth--Japan--Conduct of life.
Princeton subject headings: