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