English language -- 222 Study and teaching 144 Grammar 118 English 115 French language -- 87 German language -- 71 Textbooks for foreign speakers -- 65 more ... Study and teaching -- 53 Spanish language -- 52 Textbooks for foreign speakers 50 Chinese language -- 49 Grammar -- 49 Pronunciation 43 Conversation and phrase books -- 35 Pronounciation 35 Self-instruction 30 German language 27 French language 26 Glossaries, vocabularies, etc 26 English language 25 Dictionaries -- 24 French Language -- 23 Conversation 21 Spanish language 20 Usage 20 Chinese Language -- 19 Malay language 19 English speakers 18 Vocabulary 18 Foreign speakers 17 less ...