Americans History 271 General 151 Histoire 147 HISTORY 129 Travel 78 BIOGRAPHY & AUTOBIOGRAPHY 65 American 60 LITERARY CRITICISM 58 SOCIAL SCIENCE 51 Social life and customs 51 Description and travel 44 Manners and customs 44 Américains 42 Relations 42 FICTION 40 International relations 36 History and criticism 35 POLITICAL SCIENCE 35 Social conditions 35 Authors, American 34 Intellectual life 33 Descriptions et voyages 30 American literature 28 Civilization 25 Politics and government 25 Tourism 25 Histoire et critique 24 Emigration and immigration 23 Écrivains américains 22