Genre
- Electronic books 78 bohtosa
- Congresses 12 bohtosa
- Translations into English 10 bohtosa
- Biography 4 bohtosa
- Handbooks, manuals, etc 4 bohtosa
- Diaries 2 bohtosa
- Early works to 1800 2 bohtosa
- Literary collections 2 bohtosa
- Personal narratives 2 bohtosa
- Problems, exercises, etc 2 bohtosa
- Sources 2 bohtosa
- Terminology 2 bohtosa
- Translations 2 bohtosa