English language 1,830 Textbooks for foreign speakers 1,060 Problems, exercises, etc 481 Grammar 387 Study and teaching 193 Foreign speakers 140 Rhetoric 126 Spoken English 111 Business English 110 Readers 104 Examinations 93 Report writing 90 International English Language Testing System 87 Study guides 86 Listening 73 College readers 70 Vocabulary 69 Technical English 61 Composition and exercises 58 Reading comprehension 55 Test of English as a foreign language 55 Conversation and phrase books 50 Terminology 49 Examinations, questions, etc 48 Academic writing 40 Reading (Higher education) 31 Oral communication 23 Idioms 21 Pronunciation 20 Textbook for foreign speakers 18