Columbia subject headings:
Consumer price indexes--United States.
Food stamps--United States.
Indexation (Economics)
Indexation (Economics)--United States.
Harvard subject headings:
Consumer price indexes--United States.
Food stamps--United States.
Indexation (Economics)--United States.
Princeton subject headings:
Consumer price indexes--United States.
Food stamps--United States.
Indexation (Economics)--United States.