Genre
- Case studies 151 Treffer
- Congresses 69 Treffer
- Handbooks, manuals, etc 54 Treffer
- Cross-cultural studies 45 Treffer
- Statistics 40 Treffer
- Periodicals 32 Treffer
- Biography 31 Treffer
- Textbooks 29 Treffer
- Encyclopedias 25 Treffer
- Study guides 12 Treffer
- Examinations, questions, etc 9 Treffer
- Bibliography 7 Treffer
- Databases 7 Treffer
- Problems, exercises, etc 7 Treffer
- Interviews 6 Treffer
- Dictionaries 4 Treffer
- Juvenile literature 4 Treffer
- Longitudinal studies 4 Treffer
- Forecasts 3 Treffer
- Life skills guides 3 Treffer
- Pictorial works 3 Treffer
- Classification 2 Treffer
- Correspondence 2 Treffer
- Directories 2 Treffer
- Indexes 2 Treffer
- Sources 2 Treffer
- Charts, diagrams, etc 1 Treffer
- Commercial treaties 1 Treffer
- Computer network resources 1 Treffer
- Conversion tables 1 Treffer
- Electronic book 1 Treffer
- Electronic books 1 Treffer
- Electronic journals 1 Treffer
- Personal narratives 1 Treffer
- Popular works 1 Treffer
- Quotations 1 Treffer
- Rules and practice 1 Treffer
- Songs and music 1 Treffer
- Statistics, Vital 1 Treffer
- Terminology 1 Treffer
- Terminology and classification 1 Treffer
- Vanuatu 1 Treffer
- Études de cas 1 Treffer