History 191 Politics and government 121 Social conditions 79 Yoruba (African people) 66 Economic conditions 56 History and criticism 45 Social life and customs 38 Social aspects 35 Religion 34 Women 34 Popular music 30 Religious aspects 29 Igbo (African people) 25 Economic policy 24 Foreign relations 23 Political aspects 23 In literature 21 Womyn 21 Colonies 20 Sex role 20 Islam 18 Music 18 Christianity 17 Medicine 17 Petroleum industry and trade 17 Authors, Nigerian 16 Civilization 15 Ethnology 15 Description and travel 14 Economic aspects 14 Ethnic relations 14 Hausa (African people) 14 Agriculture 13 Colonial influence 13 Criticism and interpretation 13 Manners and customs 13 Motion pictures 13 Religious life and customs 13 Rites and ceremonies 13 International relations 12 Law and legislation 12 Political activity 12 Slave trade 12 Afrobeat 11 Folklore 10 Islam and politics 10 Missions 10 Nigerian fiction (English) 10 Postcolonialism 10 Violence 10 Women, Igbo 10 Women, Yoruba 10 Church history 9 Commerce 9 Democracy 9 Ethnic identity 9 Intellectual life 9 Juju music 9 Motion picture industry 9 Political culture 9 Art 8 Black people 8 Conflict management 8 Democratization 8 Education 8 Elections 8 Feminism 8 Foreign economic relations 8 Nigerians 8 Philosophy, Yoruba 8 Tales 8 African diaspora 7 Antiquities 7 Art, Nigerian 7 British 7 Childhood and youth 7 Christianity and culture 7 Christianity and other religions 7 Colonization 7 Federal government 7 Government policy 7 Literature and society 7 Muslims 7 Nigeria 7 Nigerian literature (English) 7 Terrorism 7 Video recordings industry 7 Administration 6 African history 6 African literature (English) 6 Art, Yoruba 6 Corruption 6 Families 6 Gender roles 6 Musicians 6 Nigerian Americans 6 Prevention 6 Religion and politics 6 Social conflict 6 Songs, Yoruba 6