Columbia subject headings:
Phoenix (Ariz.)--Economic conditions.
Phoenix (Ariz.)--History.
Phoenix (Ariz.)--Politics and government.
Harvard subject headings:
Phoenix (Ariz.)--Economic conditions.
Phoenix (Ariz.)--History.
Phoenix (Ariz.)--Politics and government.
Princeton subject headings:
Phoenix (Ariz.)--Economic conditions.
Phoenix (Ariz.)--History.
Phoenix (Ariz.)--Politics and government.