Genre
- Congresses 30 bohtosa
- Handbooks, manuals, etc 28 bohtosa
- Textbooks 11 bohtosa
- Case studies 9 bohtosa
- Cross-cultural studies 8 bohtosa
- Encyclopedias 7 bohtosa
- Periodicals 6 bohtosa
- Longitudinal studies 4 bohtosa
- Biography 3 bohtosa
- Dictionaries 1 bohtosa
- Directories 1 bohtosa
- Exhibitions 1 bohtosa
- Languages 1 bohtosa
- Trials, litigation, etc 1 bohtosa