Étude et enseignement Study and teaching History 24 Histoire 20 General 19 Education 10 SOCIAL SCIENCE 10 Conditions sociales 8 Social conditions 8 Art 7 Civilisation 7 Anthropology 6 Civilization 5 HISTORY 5 LITERARY CRITICISM 5 Langage et langues 5 Language and languages 5 Manners and customs 5 Mœurs et coutumes 5 Social life and customs 5 Allemand (Langue) 4 Art, Modern 4 Cultural 4 German language 4 Study & Teaching 4 ART 3 BUSINESS & ECONOMICS 3 Communism and education 3 Communisme et éducation 3 English language 3