History 195 Politics and government 116 Social conditions 78 Yoruba (African people) 70 Economic conditions 52 History and criticism 44 Women 38 Religion 36 Social life and customs 36 General 35 Social aspects 34 Histoire 33 Popular music 30 Religious aspects 30 SOCIAL SCIENCE 29 Igbo (African people) 27 HISTORY 25 Political aspects 24 Economic policy 23 Colonies 22 Foreign relations 21 In literature 21 Christianity 20 Economic aspects 19 Islam 19 Petroleum industry and trade 19 Sex role 18 POLITICAL SCIENCE 17 West 17 Authors, Nigerian 15 Description and travel 14 Motion pictures 14 Rites and ceremonies 14 Civilization 13 Colonial influence 13 Criticism and interpretation 13 Ethnology 13 Medicine 13 Missions 13 BUSINESS & ECONOMICS 12 Commerce 12 Music 12 Agriculture 11 Conditions sociales 11 Democracy 11 Ethnic relations 11 Hausa (African people) 11 Intellectual life 11 Political activity 11 Politique et gouvernement 11 Religious life and customs 11 Slave trade 11 Afrobeat 10 Anthropology 10 Church history 10 Conflict management 10 Ethnic identity 10 Islam and politics 10 Law and legislation 10 Motion picture industry 10 RELIGION 10 Women, Igbo 10 African diaspora 9 Aspect social 9 Emigration and immigration 9 Juju music 9 Philosophy, Yoruba 9 Violence 9 Women, Yoruba 9 Administration 8 African 8 Art, Yoruba 8 British 8 Childhood and youth 8 Cultural 8 Elections 8 Folklore 8 Industries 8 Muslims 8 Nigerian fiction (English) 8 Terrorism 8 Yoruba (Peuple d'Afrique) 8 Art, Nigerian 7 Aspect politique 7 Christianity and culture 7 Corruption 7 Democratization 7 Education 7 Feminism 7 Femmes 7 Government policy 7 Histoire et critique 7 LITERARY CRITICISM 7 Literature and society 7 Nigerians 7 Political culture 7 Postcolonialism 7 Prevention 7 Reference 7 Religion and politics 7