Genre
- Juvenile fiction 18 bohtosa
- Congresses 8 bohtosa
- Handbooks, manuals, etc 7 bohtosa
- Computer games 3 bohtosa
- Case studies 2 bohtosa
- Exhibitions 2 bohtosa
- Bibliography 1 bohtosa
- Biography 1 bohtosa
- Dictionaries 1 bohtosa
- Encyclopedias 1 bohtosa
- Humor 1 bohtosa
- Juvenile literature 1 bohtosa
- Juvenile sound recordings 1 bohtosa
- Pictorial works 1 bohtosa
- Readers 1 bohtosa
- Statistics 1 bohtosa
- Vocational guidance 1 bohtosa