History 313 Politics and government 74 Philosophy 73 History and criticism 62 methods 54 Social aspects 53 Social conditions 50 Máis ... Criticism and interpretation 37 Diseases 34 Political aspects 31 Social life and customs 30 Political science 28 diagnosis 27 Women 26 therapy 25 Education 22 Foreign relations 22 Philosophers 22 Economic conditions 21 Description and travel 20 Study and teaching 20 Research 19 Intellectual life 17 Relations 17 Education, Higher 16 Emigration and immigration 16 Historia 16 Science 16 Surgery 16 Methodology 15 menos ...