English language -- 674 Textbooks for foreign speakers 121 Study and teaching 110 Grammar 106 Dictionaries -- 85 Grammar -- 79 Rhetoric 66 more ... English language 63 English 59 Dictionaries 50 Study and teaching -- 35 Business English 32 Listening 31 Pronunciation 29 Problems, exercises, etc 28 Glossaries, vocabularies, etc 27 Usage 27 Foreign speakers 26 Writing 25 Report writing 24 Vocabulary 24 Reading 23 German language -- 18 Spanish language -- 18 Spoken English 18 Chinese language -- 17 College readers 16 Vocabularies 16 Composition and exercises 15 Malay language -- 15 less ...