Grammar English language -- 96 Study and teaching 49 French language -- 44 German language -- 40 English 26 Textbooks for foreign speakers 24 more ... Pronounciation 21 Spanish language -- 20 Textbooks for foreign speakers -- 18 Listening 13 Vocabularies 13 Usage 12 Grammar -- 11 Vocabulary 11 Reading 10 Vocabulaire 10 French Language -- 9 Pronunciation 8 Chinese language -- 7 Self-instruction 7 Sentences 7 Study and teaching -- 7 Foreign speakers 5 German language 5 Glossaries, vocabularies, etc 5 Malay language -- 5 Problems, exercises, etc 5 Applicative grammar 4 Arabic language -- 4 less ...