Genre
- Readers 40 canlyniadau
- Periodicals 32 canlyniadau
- Congresses 23 canlyniadau
- Fiction 17 canlyniadau
- Biography 11 canlyniadau
- Drama 11 canlyniadau
- Statistics 8 canlyniadau
- Bibliography 7 canlyniadau
- Handbooks, manuals, etc 7 canlyniadau
- Juvenile literature 6 canlyniadau
- Case studies 5 canlyniadau
- Juvenile fiction 5 canlyniadau
- Juvenile sound recordings 4 canlyniadau
- Classification 3 canlyniadau
- Dictionaries 3 canlyniadau
- Identification 3 canlyniadau
- Pictorial works 3 canlyniadau
- Texts 3 canlyniadau
- Catalogs 2 canlyniadau
- Genealogy 2 canlyniadau
- Maps 2 canlyniadau
- Poetry 2 canlyniadau
- Cases 1 canlyniadau
- Collections 1 canlyniadau
- Databases 1 canlyniadau
- Handbooks, manuals, stc 1 canlyniadau
- Juvenile drama 1 canlyniadau
- Literary collections 1 canlyniadau
- Longitudinal studies 1 canlyniadau
- Music 1 canlyniadau
- Newspapers 1 canlyniadau
- Posters 1 canlyniadau
- Songs and music 1 canlyniadau