Columbia subject headings:
Attachment behavior.
Child care workers--United States.
Child rearing--United States.
Children of working parents--United States.
Day care centers--United States.
Parent and child--United States.
Harvard subject headings:
Attachment behavior.
Child care workers--United States
Child rearing--United States
Children of working parents--United States
Day care centers--United States
Parent and child--United States
Princeton subject headings: