Study and teaching German language -- 78 Grammar -- 54 English language -- 53 Spanish language -- 37 Grammar 16 Listening 14 more ... Vocabularies 12 Reading 11 English language 6 Glossaries, vocabularies, etc 6 Pronunciation 6 Study and teaching -- 6 Communication 5 Communication -- 5 Conversation 5 Language and languages -- 5 Dictionaries -- 4 Language, modern -- 4 Textbooks for foreign speakers 4 Business English 3 Communication in management 3 Foreign students 3 Interviews 3 Management 3 Management -- 3 Meetings 3 Vocabularies -- 3 Vocabulary 3 Vocabulary -- 3 less ...