English language -- 158 Study and teaching 72 English 67 Grammar 55 French language -- 53 Textbooks for foreign speakers 43 Textbooks for foreign speakers -- 41 more ... Chinese language -- 37 Spanish language -- 31 Pronunciation 29 Study and teaching -- 29 Grammar -- 25 English language 21 Conversation and phrase books -- 20 Pronounciation 20 Business English 18 French Language -- 18 Chinese Language -- 17 German language -- 15 Glossaries, vocabularies, etc 15 Foreign speakers 14 Spanish language 14 Vocabulary 14 Dictionaries -- 13 English speakers 13 French language 13 Problems, exercises, etc 13 Rhetoric 11 Self-instruction 11 Fiction 10 less ...