Columbia subject headings:
Adulthood--Michigan--Psychological aspects--Longitudinal studies.
Personality and occupation--Michigan--Longitudinal studies.
Work and family--Michigan--Longitudinal studies.
Harvard subject headings:
Adulthood--Michigan--Psychological aspects--Longitudinal studies.
Personality and occupation--Michigan--Longitudinal studies.
Work and family--Michigan--Longitudinal studies.
Princeton subject headings:
Adulthood--Michigan--Psychological aspects--Longitudinal studies.
Personality and occupation--Michigan--Longitudinal studies.
Work and family--Michigan--Longitudinal studies.