Genre
- Electronic books 2 778 bohtosa
- Congresses 138 bohtosa
- Biography 62 bohtosa
- Handbooks, manuals, etc 56 bohtosa
- Case studies 46 bohtosa
- Anecdotes 24 bohtosa
- Identification 14 bohtosa
- Statistics 14 bohtosa
- Pictorial works 12 bohtosa
- Atlases 10 bohtosa
- Classification 10 bohtosa
- General 8 bohtosa
- Encyclopedias 6 bohtosa
- Examinations, questions, etc 6 bohtosa
- Interviews 6 bohtosa
- Patents 6 bohtosa
- Diaries 4 bohtosa
- Early works to 1800 4 bohtosa
- Fiction 4 bohtosa
- Laboratory manuals 4 bohtosa
- Sources 4 bohtosa
- Textbooks 4 bohtosa
- Audiobooks 2 bohtosa
- Bibliography 2 bohtosa
- Bildungsromans 2 bohtosa
- Catalogues raisonnés 2 bohtosa
- Correspondence 2 bohtosa
- Cross-cultural studies 2 bohtosa
- Databases 2 bohtosa
- Designs and plans 2 bohtosa
- Directories 2 bohtosa
- Documentary films 2 bohtosa
- Guidebooks 2 bohtosa
- Guideline 2 bohtosa
- Handbooks 2 bohtosa
- Horror fiction 2 bohtosa
- Live video recordings 2 bohtosa
- Love stories 2 bohtosa
- Miscellanea 2 bohtosa
- Periodicals 2 bohtosa
- Problems, exercises, etc 2 bohtosa
- Terminology 2 bohtosa
- methods 2 bohtosa