History Historia 40 Politics and government 35 History and criticism 19 Social conditions 18 Ethnic relations 17 Philosophy 17 more ... Social aspects 17 Mexican Americans 16 Civilization 15 Intellectual life 15 Foreign relations 12 Political science 12 Civil rights 10 Relations 10 Historiography 9 Women 9 Colonies 8 Jews 8 Social life and customs 8 Nationalism 7 Administration 6 Church history 6 Pirates 6 Political aspects 6 Science 6 Anarchism 5 Architecture 5 Civil rights workers 5 Description and travel 5 less ...