Columbia subject headings:
First-born children--United States--Case studies.
Parenting--United States--Case studies.
Parents--United States--Attitudes.
Harvard subject headings:
First-born children--United States--Case studies.
Parenting--United States--Case studies.
Parents--United States--Attitudes.
Princeton subject headings:
First-born children--United States--Case studies.
Parenting--United States--Case studies.
Parents--United States--Attitudes.