History 920 Politics and government 575 Economic conditions 371 Social conditions 352 Social aspects 205 Race relations 162 History and criticism 154 Colonies 144 Political aspects 132 Civilization 127 Foreign relations 126 Description and travel 122 Economic development 118 Economic aspects 109 Apartheid 101 Women 99 Blacks 98 Economic policy 96 Relations 92 Social life and customs 89 African Americans 76 Democracy 68 Slave trade 67 AIDS (Disease) 66 Emigration and immigration 65 Research 65 In literature 63 Christianity 61 Education 60 Government policy 60