Grammar English language -- 59 Textbooks for foreign speakers 18 English 13 Study and teaching 12 Grammar -- 8 Spanish language -- 8 more ... Textbooks for foreign speakers -- 8 French Language -- 7 French language -- 7 Vocabulary 7 Vocabularies -- 5 Problems, exercises, etc 4 Sentences 4 Applicative grammar 3 Chinese language -- 3 Foreign speakers 3 Rhetoric 3 Study and teaching -- 3 Arabic language -- 2 Composition and exercises -- 2 Conversation and phrase books -- 2 English language 2 For non-English speaking students 2 Glossaries, vocabularies, etc 2 Pronunciation 2 Self-instruction 2 Study and teaching (Secondary ) -- 2 Usage 2 Cantonese dialects -- 1 less ...