Columbia subject headings:
Ozark Mountains Region--Economic conditions--Periodicals.
Ozark Mountains Region--Economic policy--Periodicals.
Ozarks Regional Commission (U.S.)--Periodicals.
Harvard subject headings:
Princeton subject headings:
Ozark Mountains Region--Economic conditions--Periodicals.
Ozark Mountains Region--Economic policy--Periodicals.
Ozarks Regional Commission (U.S.)--Periodicals.
Periodicals.