Columbia subject headings:
Youth--Germany (East)--Attitudes--Longitudinal studies.
Youth--Germany (East)--Social conditions--Longitudinal studies.
Youth--Germany (West)--Attitudes--Longitudinal studies.
Youth--Germany (West)--Social conditions--Longitudinal studies.
Harvard subject headings:
Youth--Germany (East)--Attitudes.
Youth--Germany (East)--History.
Youth--Germany (East)--Social conditions.
Youth--Germany (West)--Attitudes
Youth--Germany (West)--History.
Youth--Germany (West)--Social conditions
Princeton subject headings: