Columbia subject headings:
Accident law--United States.
Negligence, Contributory--United States.
Negligence--United States.
School management and organization.
Harvard subject headings:
Accident law--United States.
Liability (Law)--United States.
Negligence, Contributory--United States.
Negligence--United States.
School management and organization
School management and organization--United States
Princeton subject headings: