Genre
- Congresses 235 canlyniadau
- Periodicals 70 canlyniadau
- Encyclopedias 39 canlyniadau
- Handbooks, manuals, etc 25 canlyniadau
- Classification 21 canlyniadau
- Case studies 10 canlyniadau
- Laboratory manuals 10 canlyniadau
- Biography 8 canlyniadau
- Tables 8 canlyniadau
- Cross-cultural studies 7 canlyniadau
- Atlases 6 canlyniadau
- Cases 6 canlyniadau
- Dictionaries 5 canlyniadau
- Problems, exercises, etc 5 canlyniadau
- Textbooks 5 canlyniadau
- Nomenclature 3 canlyniadau
- Comparative studies 2 canlyniadau
- Fiction 2 canlyniadau
- Longitudinal studies 2 canlyniadau
- Popular works 2 canlyniadau
- Abstracts 1 canlyniadau
- Art 1 canlyniadau
- Bibliography 1 canlyniadau
- Charts, diagrams, etc 1 canlyniadau
- Computer network resources 1 canlyniadau
- Decision making 1 canlyniadau
- Film adaptations 1 canlyniadau
- Guidebooks 1 canlyniadau
- History 1 canlyniadau
- Indexes 1 canlyniadau
- Interviews 1 canlyniadau
- Introductions 1 canlyniadau
- Poetry 1 canlyniadau
- Statistical methods 1 canlyniadau
- Texts 1 canlyniadau
- Translations into English 1 canlyniadau