History 990 Social aspects 607 History and criticism 349 Philosophy 311 Politics and government 286 Study and teaching 280 Political aspects 261 Psychological aspects 255 Social conditions 243 Education 239 Research 181 Religious aspects 178 Foreign relations 168 Methodology 149 Economic aspects 142 Management 142 Psychoanalysis 133 English language 121 Psychology 119 Criticism and interpretation 118 Economic conditions 116 Psychotherapy 114 Moral and ethical aspects 112 Sustainable development 108 Environmental aspects 107 Government policy 105 Technological innovations 103 Economic development 102 Women 102 Law and legislation 97