History 270 Politics and government 73 Economic conditions 45 Addresses, essays, lectures 32 Foreign relations 30 Social conditions 29 Education 25 Sociology 24 Local government 23 Social aspects 21 Social sciences 19 Economic policy 17 History and criticism 17 HISTORY 15 Psychology 15 Public welfare 15 Criticism and interpretation 14 Philosophy 14 Social life and customs 14 Trade-unions 14 Methodology 13 Political science 13 Research 13 Women 13 Anthropo-geography 12 Capitalism 12 Economic aspects 12 Geomorphology 12 Management 12 Regional planning 12