Columbia subject headings:
Harvard subject headings:
Childlessness--Economic aspects--Germany--North Rhine-Westphalia.
Dual-career families--Germany--North Rhine-Westphalia.
North Rhine-Westphalia (Germany)--Economic conditions.
Parents--Employment--Germany--North Rhine-Westphalia.
Universities and colleges--Germany--North Rhine-Westphalia--Faculty.
Work and family--Germany--North Rhine-Westphalia.
Princeton subject headings:
Childlessness--Germany.
Parenthood--Germany.
Universities and colleges--Germany--Employees.
Women in the professions--Germany.
Work and family--Germany.