Histoire 8 History 8 Conditions économiques 5 Economic conditions 5 Economic history 5 Aspect social 3 Conditions sociales 3 HISTORY 3 History, 19th Century 3 Médecine 3 Social aspects 3 Social conditions 3 American literature 2 Appreciation 2 Appréciation 2 Boekwezen 2 Book industries and trade 2 Books & Reading 2 Books and reading 2 Changement social 2 Culture populaire 2 Diplomatic relations 2 Femmes 2 Foreign relations 2 Industrie 2 LITERARY CRITICISM 2 Leesgewoonten 2 Littérature américaine 2 Livres 2 National characteristics, American 2