Textbooks for foreign speakers English language 55 English 35 Grammar 22 French language 17 Readers 15 Chinese language 14 Study and teaching 12 Russian language 11 German language 9 Spanish language 9 French 7 Italian language 6 Problems, exercises, etc 6 Composition and exercises 5 Conversation and phrase books 5 Pronunciation 4 Spanish 4 Dutch 3 English speakers 3 Glossaries, vocabularies, etc 3 Study and teaching (Secondary) 3 Technical English 3 Textbooks 3 Accents and accentuation 2 African 2 Americanisms 2 Catalan language 2 Chinese 2 Dialects 2