Columbia subject headings:
Harvard subject headings:
Germany (East)--Social conditions.
Germany (East)--Social life and customs.
Leisure counseling--Germany (East)
Leisure--Social aspects--Germany (East)
Socialism and youth--Germany (East)
Sports sponsorship--Germany (East)
Tourism--Social aspects--Germany (East)
Youth travel programs--Germany (East)
Princeton subject headings:
Camps--Germany (East).
Germany (East)--Social conditions.
Germany (East)--Social life and customs.
Leisure--Germany (East).
Tourism--Germany (East).
Vacations--Germany (East).
Youth--Germany (East)
Youth--Recreation--Germany (East).