Genre
- Biography 12 Treffer
- Cross-cultural studies 7 Treffer
- Interviews 6 Treffer
- Case studies 5 Treffer
- Correspondence 2 Treffer
- Comparative studies 1 Treffer
- Congresses 1 Treffer
- Constitution 1 Treffer
- Controversial literature 1 Treffer
- Data processing 1 Treffer
- Dictionaries 1 Treffer
- Forecasts 1 Treffer
- Graphic methods 1 Treffer
- Introductions 1 Treffer
- Textbooks 1 Treffer