Columbia subject headings:
Harvard subject headings:
Arizona--Economic conditions--Periodicals.
Louisiana--Economic conditions--Periodicals.
New Mexico--Economic conditions--Periodicals.
Oklahoma--Economic conditions--Periodicals.
Southwestern States--Economic conditions--Periodicals.
Texas--Economic conditions--Periodicals.
Princeton subject headings:
Arizona--Economic conditions--Periodicals.
Louisiana--Economic conditions--Periodicals.
New Mexico--Economic conditions--Periodicals.
Oklahoma--Economic conditions--Periodicals.
Periodicals.
Southwestern States--Economic conditions--Periodicals.
Texas--Economic conditions--Periodicals.