Étude et enseignement Study and teaching 35 History 18 General 16 Histoire 15 Conditions sociales 7 Education 7 SOCIAL SCIENCE 7 Social conditions 7 Allemand (Langue) 4 Art 4 German language 4 Langage et langues 4 Language and languages 4 Study & Teaching 4 ART 3 Anthropology 3 Art, Modern 3 BUSINESS & ECONOMICS 3 Civilisation 3 Communism and education 3 Communisme et éducation 3 English language 3 Éducation 3 FOREIGN LANGUAGE STUDY 3 HISTORY 3 Instruction and study 3 Jeunesse 3 LITERARY CRITICISM 3 MATHEMATICS 3