Genre
- Electronic books 352 bohtosa
- Statistics 36 bohtosa
- Congresses 34 bohtosa
- Classification 18 bohtosa
- Handbooks, manuals, etc 12 bohtosa
- Case studies 8 bohtosa
- Atlases 4 bohtosa
- Code numbers 4 bohtosa
- Formulae, receipts, prescriptions 4 bohtosa
- Cross-cultural studies 2 bohtosa
- Laboratory manuals 2 bohtosa