Columbia subject headings:
Disaster relief--Government policy--United States.
Disaster relief--United States--Management.
Emergency management.
Harvard subject headings:
Disaster relief--Government policy--United States
Disaster relief--United States
Disaster relief--United States--Management.
Emergency management
Emergency management.
Princeton subject headings:
Disaster relief--Government policy--United States.
Disaster relief--United States--Management.
Emergency management.