Columbia subject headings:
Families--Psychological aspects.
Families--Research--United States.
Life cycle, Human.
Married people.
Parent and child.
Siblings.
Harvard subject headings:
Brothers and sisters--Congresses.
Brothers and sisters.
Families--Psychological aspects--Congresses.
Families--Psychological aspects.
Families--Research--United States--Congresses.
Families--Research--United States.
Life cycle, Human--Congresses
Life cycle, Human.
Married people--Congresses.
Married people.
Parent and child--Congresses
Parent and child.
Princeton subject headings: