English language -- 166 Study and teaching 162 German language -- 132 Grammar -- 69 Grammar 67 Spanish language -- 39 Textbooks for foreign speakers 39 more ... German language 34 Vocabularies 30 Listening 26 Reading 19 English language 17 Dictionaries -- 15 Pronunciation 15 Study and teaching -- 14 Conversation 13 Language art (Elementary) 13 Spanish language 13 English 12 Readers -- 10 Foreign speakers 9 Idioms 8 Spoken English 8 Textbooks for foreign speakers -- 8 Writing 8 Business English 7 Glossaries, vocabularies, etc 7 Examinations, questions, etc 6 Language and languages -- 6 Problem, exercises, etc 6 less ...