Columbia subject headings:
Middle Belt (Nigeria)--Economic conditions.
Middle Belt (Nigeria)--Politics and government.
Social change--Nigeria--Middle Belt--History.
Harvard subject headings:
Benue Basin (Nigeria)--History.
Benue Basin (Nigeria)--Politics and government.
Benue Basin (Nigeria)--Social conditions.
Social structure--Nigeria--History.
Princeton subject headings:
Middle Belt (Nigeria)--Economic conditions.
Middle Belt (Nigeria)--Politics and government.
Social change--Nigeria--Middle Belt--History.