Columbia subject headings:
Childbirth--Study and teaching--United States--History.
Childbirth--United States--History.
Health reformers--United States.
Harvard subject headings:
Childbirth--Study and teaching--United States--History.
Childbirth--United States--History.
Health reformers--United States.
Women health reformers--United States.
Princeton subject headings:
Childbirth--Study and teaching--United States--History.
Childbirth--United States--History.
Health reformers--United States.