Grammar English language -- 53 French language -- 43 Study and teaching 35 Textbooks for foreign speakers 23 Pronounciation 20 English 18 more ... Spanish language -- 17 Textbooks for foreign speakers -- 12 Vocabulary 11 Vocabulaire 10 French Language -- 9 Grammar -- 8 Chinese language -- 7 German language -- 7 Foreign speakers 5 Problems, exercises, etc 5 Pronunciation 5 Self-instruction 5 Usage 5 Glossaries, vocabularies, etc 4 Sentences 4 Vocabularies -- 4 Applicative grammar 3 English language 3 Study and teaching -- 3 Arabic language -- 2 Composition and exercises -- 2 Conversation and phrase books 2 Conversation and phrase books -- 2 less ...