Columbia subject headings:
Disaster relief--Research--United States.
Disaster relief--United States--History.
Natural disasters--Economic aspects--United States.
Natural disasters--Social aspects--United States.
Social surveys--United States.
Harvard subject headings:
Disaster relief--United States--History.
Disaster relief--United States--Research--United States.
Natural disasters--Economic aspects--United States.
Natural disasters--Social aspects--United States.
Social surveys--United States.
Princeton subject headings:
Disaster relief--United States--History.
Disaster relief--United States--Research--United States.
Natural disasters--Economic aspects--United States.
Natural disasters--Social aspects--United States.
Social surveys--United States.