English language -- 78 Study and teaching 60 German language -- 29 Grammar -- 26 English 18 Textbooks for foreign speakers 18 Glossaries, vocabularies, etc 17 more ... Spanish language -- 16 Business English 15 English language 14 Grammar 14 French language -- 13 Spanish language 13 Conversation 12 Foreign policy 12 Pronunciation 12 German language 11 Textbooks for foreign speakers -- 11 International relations 9 Politics and government 9 Dictionaries -- 8 Pronounciation 8 Conversation and phrase books -- 7 Listening 7 Management 7 Negotiation 7 Vocabularies 7 Addresses, essays, lectures 6 Crisis management 6 Foreign relations -- 6 less ...