Genre
- Periodicals 315 canlyniadau
- Congresses 186 canlyniadau
- Statistics 165 canlyniadau
- Case studies 45 canlyniadau
- Juvenile literature 45 canlyniadau
- Biography 18 canlyniadau
- Maps 17 canlyniadau
- Problems, exercises, etc 16 canlyniadau
- Bibliography 11 canlyniadau
- Sources 11 canlyniadau
- Forecasts 10 canlyniadau
- Cross-cultural studies 9 canlyniadau
- Drama 9 canlyniadau
- Census, 1996 7 canlyniadau
- Handbooks, manuals, etc 7 canlyniadau
- Comic books, strips, etc 6 canlyniadau
- Pictorial works 5 canlyniadau
- Platforms 5 canlyniadau
- Anecdotes 4 canlyniadau
- Archives 4 canlyniadau
- Caricatures and cartoons 4 canlyniadau
- Databases 4 canlyniadau
- Examinations, questions, etc 4 canlyniadau
- Guidebooks 4 canlyniadau
- Textbooks 4 canlyniadau
- Early works to 1800 3 canlyniadau
- Study guides 3 canlyniadau
- Census, 2006 2 canlyniadau
- Interviews 2 canlyniadau
- Juvenile fiction 2 canlyniadau
- Newspapers 2 canlyniadau
- Vanuatu 2 canlyniadau
- Census, 1860 1 canlyniadau
- Census, 1995 1 canlyniadau
- Diaries 1 canlyniadau
- Early works to 1900 1 canlyniadau
- Exhibitions 1 canlyniadau
- Fiction 1 canlyniadau
- Film adaptations 1 canlyniadau
- Indexes 1 canlyniadau
- Juvenile films 1 canlyniadau
- Juvenile sound recordings 1 canlyniadau
- Maps, Comparative 1 canlyniadau
- Mathematical models 1 canlyniadau
- New York 1 canlyniadau
- Periodials 1 canlyniadau
- Poetry 1 canlyniadau
- Posters 1 canlyniadau