Genre
- Electronic books 291 canlyniadau
- Handbooks, manuals, etc 28 canlyniadau
- Classification 24 canlyniadau
- Case studies 12 canlyniadau
- Miscellanea 4 canlyniadau
- Congresses 2 canlyniadau
- Cross-cultural studies 2 canlyniadau
- Examinations, questions, etc 2 canlyniadau
- Outlines, syllabi, etc 2 canlyniadau
- Personal narratives 2 canlyniadau
- Popular works 2 canlyniadau
- Problems, exercises, etc 2 canlyniadau