Grammar -- Study and teaching 90 English language -- 81 German language -- 66 Textbooks for foreign speakers 23 Glossaries, vocabularies, etc 16 Study and teaching (Intermediate) 15 more ... Vocabularies 14 Grammar 11 Problems, exercises, etc 11 Conversation 10 Pronunciation 10 Study and teaching -- 10 Rhetoric -- 9 Handbooks, manuals, etc 8 Foreign speakers 6 Composition and exercises 5 Dictionaries -- 5 English language 5 Educational games 4 Rhetoric 4 Dictionaries 3 English 3 Handbooks, manuals, etc. -- 3 Spanish language -- 3 Textbooks for foreign speakers -- 3 Chinese Language -- 2 Chinese language -- 2 English speakers 2 For non-English speaking students 2 less ...