Genre
- Congresses 17,575 canlyniadau
- Biography 15,054 canlyniadau
- Periodicals 12,082 canlyniadau
- Juvenile literature 10,327 canlyniadau
- Juvenile fiction 8,191 canlyniadau
- Exhibitions 7,297 canlyniadau
- Problems, exercises, etc 3,568 canlyniadau
- Case studies 3,485 canlyniadau
- Handbooks, manuals, etc 3,424 canlyniadau
- Fiction 3,261 canlyniadau
- Pictorial works 3,261 canlyniadau
- Scores 3,117 canlyniadau
- Readers 2,387 canlyniadau
- Dictionaries 2,368 canlyniadau
- Drama 2,322 canlyniadau
- Statistics 2,165 canlyniadau
- Catalogs 2,064 canlyniadau
- Maps 1,981 canlyniadau
- Bibliography 1,874 canlyniadau
- Genealogy 1,839 canlyniadau
- Early works to 1800 1,452 canlyniadau
- Sources 1,324 canlyniadau
- Guidebooks 1,273 canlyniadau
- Folklore 1,226 canlyniadau
- Scores and parts 1,098 canlyniadau
- Interviews 1,046 canlyniadau
- Correspondence 1,025 canlyniadau
- Textbooks 981 canlyniadau
- Cross-cultural studies 955 canlyniadau
- Textbooks for foreign speakers 924 canlyniadau
- Cases 913 canlyniadau
- Encyclopedias 811 canlyniadau
- Anecdotes 809 canlyniadau
- Directories 773 canlyniadau
- Translations into English 747 canlyniadau
- Texts 663 canlyniadau
- Popular works 658 canlyniadau
- Poetry 634 canlyniadau
- Vocal scores with piano 615 canlyniadau
- Identification 509 canlyniadau
- Juvenile sound recordings 495 canlyniadau
- Diaries 435 canlyniadau
- Musical settings 426 canlyniadau
- Songs and music 421 canlyniadau
- Indexes 400 canlyniadau
- Specimens 384 canlyniadau
- Miscellanea 378 canlyniadau
- Personal narratives, New Zealand 367 canlyniadau
- Classification 354 canlyniadau
- Examinations, questions, etc 349 canlyniadau rhagor...