Columbia subject headings:
Disaster relief--Law and legislation--United States.
Emergency management--United States--States.
Interstate agreements--United States.
Harvard subject headings:
Disaster relief--Law and legislation--United States
Emergency management--United States--States.
Interstate agreements--United States.
Princeton subject headings:
Disaster relief--Law and legislation--United States.
Disaster relief--United States--States.
Emergency management--United States--States.
Interstate agreements--United States.