Grammar -- English language -- 57 Study and teaching 39 German language -- 19 Textbooks for foreign speakers 18 Glossaries, vocabularies, etc 11 Study and teaching (Intermediate) 11 more ... Study and teaching -- 10 Grammar 8 Problems, exercises, etc 8 Rhetoric -- 7 Foreign speakers 6 Vocabularies 6 Conversation 5 Handbooks, manuals, etc 5 Educational games 4 Pronunciation 4 Chinese Language -- 2 Chinese language -- 2 Dictionaries -- 2 English 2 English language 2 English speakers 2 For non-English speaking students 2 Handbooks, manuals, etc. -- 2 Spanish language -- 2 Spoken English 2 Study and teaching (Elementary) 2 Textbooks for foreign speakers -- 2 Activity programs in education 1 less ...