English 197 Textbooks for foreign speakers 98 Chinese language 79 Grammar 72 English language 61 Textbooks 60 Study and teaching 46 more ... French language 33 History 32 Geography 28 Italian language 24 Russian language 23 Korean language 20 Arabic language 14 Spanish language 12 Foreign speakers 10 German language 10 Japanese language 10 Psychology 10 Composition and exercises 8 Mathematics 8 Research 8 Methodology 7 Physics 7 Politics and government 7 Business Chinese 6 Botany 5 Civilization 5 Historiography 5 Manners and customs 5 less ...