English language -- 156 Textbooks for foreign speakers 53 Grammar 52 Grammar -- 35 Study and teaching 32 English 24 Problems, exercises, etc 18 more ... Spanish language -- 18 Vocabulary 17 Glossaries, vocabularies, etc 16 English language 14 Pronunciation 13 Study and teaching -- 13 Foreign speakers 12 French language -- 11 Conversation and phrase books -- 9 Textbooks for foreign speakers -- 9 Chinese language -- 8 Dictionaries -- 7 Spoken English 7 Vocabularies 7 Listening 6 Conservation and phrase books 5 Readers 5 Study and teaching (Intermediate) 5 Writing 5 Composition and exercises 4 Educational games 4 Examinations -- 4 French Language -- 4 less ...