History 190 History and criticism 111 General 108 BUSINESS & ECONOMICS 59 SOCIAL SCIENCE 48 Social aspects 48 Criticism and interpretation 45 Politics and government 44 Reference 43 Study and teaching 43 POLITICAL SCIENCE 36 Economic conditions 34 TECHNOLOGY & ENGINEERING 32 Research 31 Histoire 30 Congresses 29 Philosophy 29 Antiquities 28 Social conditions 28 Spanish literature 26 Informatique 24 Spanish language 24 MEDICAL 23 Political aspects 23 Economics 22 HISTORY 22 EDUCATION 21 Emigration and immigration 21 LANGUAGE ARTS & DISCIPLINES 21 Civilization 20