Civilization History 414 Social conditions 92 Philosophy 86 History and criticism 70 Social life and customs 66 Politics and government 58 Intellectual life 48 Periodicals 40 Description and travel 37 National characteristics, American 34 Economic conditions 29 Relations 28 Culture 25 Ethnology 25 Religion 25 American literature 23 Antiquities 23 Civilization, Modern 22 Jews 21 Sources 21 Congresses 19 Biography 18 Readers 18 Education 16 Foreign relations 15 Science 15 Sociology 15 Study and teaching 15 Bibliography 14