Study and teaching Spanish language 9 Foreign speakers 7 History 5 Algebra 4 Education 4 Language and languages 4 Máis ... Philosophy 4 English language 3 Human rights 3 Law 3 Art 2 Art appreciation 2 Cinematography 2 Computer-assisted instruction 2 Economics 2 Motion pictures 2 Production and direction 2 Science 2 Second language acquisition 2 Social sciences 2 Technological innovations 2 Analysis 1 Applied linguistics 1 Architecture 1 Audio-visual aids 1 Blind 1 Business 1 Business mathematics 1 Collective memory 1 menos ...