Genre
- Congresses 117 bohtosa
- Problems, exercises, etc 78 bohtosa
- Study guides 45 bohtosa
- Interactive multimedia 30 bohtosa
- Periodicals 24 bohtosa
- Juvenile literature 21 bohtosa
- Handbooks, manuals, etc 20 bohtosa
- Genealogy 12 bohtosa
- Textbooks for foreign speakers 11 bohtosa
- Exhibitions 9 bohtosa
- Indexes 9 bohtosa
- Self-instruction 8 bohtosa
- Pictorial works 7 bohtosa
- Software 7 bohtosa
- Databases 5 bohtosa
- Encyclopedias 5 bohtosa
- Guidebooks 5 bohtosa
- Textbooks 5 bohtosa
- Case studies 4 bohtosa
- Catalogs 4 bohtosa
- Dictionaries 4 bohtosa
- Maps 4 bohtosa
- Popular works 4 bohtosa
- Bibliography 3 bohtosa
- Biography 3 bohtosa
- Examinations 3 bohtosa
- Examinations, questions, etc 3 bohtosa
- Identification 3 bohtosa
- Laboratory manuals 3 bohtosa
- Sound recordings for English speakers 3 bohtosa
- Statistics 3 bohtosa
- Tables 3 bohtosa
- Designs and plans 2 bohtosa
- Elementary works 2 bohtosa
- Fiction 2 bohtosa
- Folklore 2 bohtosa
- Juvenile 2 bohtosa
- Juvenile software 2 bohtosa
- Nomenclature 2 bohtosa
- Observations 2 bohtosa
- Sources 2 bohtosa
- Terminology 2 bohtosa
- Acronyms 1 bohtosa
- Anecdotes 1 bohtosa
- Audio-visual aids 1 bohtosa
- Classification 1 bohtosa
- Concordances 1 bohtosa
- Diaries 1 bohtosa
- Drama 1 bohtosa
- Early works to 1800 1 bohtosa more…