Columbia subject headings:
Harvard subject headings:
Couples--Germany (East)--History--20th century.
Interpersonal relations--Germany (East)--History--20th century.
Man-woman relationships--Germany (East)--History--20th century.
Princeton subject headings:
Couples--Germany (East)--History--20th century.
Interpersonal relations--Germany (East)--History--20th century.
Man-woman relationships--Germany (East)--History--20th century.