Columbia subject headings:
Igbo (African people)--Economic conditions.
Igbo (African people)--History.
Igbo (African people)--Politics and government.
Igbo (African people)--Social conditions.
Nigeria--Ethnic relations.
Nigeria--History--1960-
Harvard subject headings:
Igbo (African people)--Economic conditions.
Igbo (African people)--Social conditions.
Nigeria, Eastern--Economic conditions.
Nigeria, Eastern--Social conditions.
Nigeria--History--Civil War, 1967-1970--Economic aspects.
Nigeria--History--Civil War, 1967-1970--Social aspects.
Princeton subject headings: