English language -- 172 Study and teaching 163 German language -- 134 Grammar -- 69 Grammar 68 Spanish language -- 39 Textbooks for foreign speakers 39 more ... German language 34 Vocabularies 30 Listening 26 English language 19 Reading 19 Dictionaries -- 18 Pronunciation 15 Study and teaching -- 14 Conversation 13 English 13 Language art (Elementary) 13 Spanish language 13 Readers -- 10 Foreign speakers 9 Writing 9 Business English 8 Idioms 8 Spoken English 8 Textbooks for foreign speakers -- 8 Glossaries, vocabularies, etc 7 Examinations, questions, etc 6 Language and languages -- 6 Problem, exercises, etc 6 less ...