Genre
- Congresses 538 bohtosa
- Handbooks, manuals, etc 66 bohtosa
- Periodicals 39 bohtosa
- Problems, exercises, etc 32 bohtosa
- Textbooks 27 bohtosa
- Case studies 17 bohtosa
- Biography 8 bohtosa
- Dictionaries 8 bohtosa
- Tables 6 bohtosa
- Early works to 1800 4 bohtosa
- Laboratory manuals 4 bohtosa
- Juvenile literature 3 bohtosa
- Miscellanea 3 bohtosa
- Popular works 3 bohtosa
- Exhibitions 2 bohtosa
- Juvenile fiction 2 bohtosa
- Outlines, syllabi, etc 2 bohtosa
- Sources 2 bohtosa
- Statistics 2 bohtosa
- Charts, diagrams, etc 1 bohtosa
- Constitution 1 bohtosa
- Correspondence 1 bohtosa
- Drama 1 bohtosa
- Electric equipment 1 bohtosa
- Facsimiles 1 bohtosa
- Film adaptations 1 bohtosa
- Forms 1 bohtosa
- Interviews 1 bohtosa
- Juvenile sound recordings 1 bohtosa
- Legends 1 bohtosa
- Patents 1 bohtosa
- Personal narratives, New Zealand 1 bohtosa
- Study guides 1 bohtosa
- Textbooks for foreign speakers 1 bohtosa
- Translations into English 1 bohtosa