Genre
- Electronic books 332 bohtosa
- Congresses 16 bohtosa
- Handbooks, manuals, etc 13 bohtosa
- Periodicals 7 bohtosa
- Biography 6 bohtosa
- Case studies 6 bohtosa
- Dictionaries 6 bohtosa
- Miscellanea 5 bohtosa
- Early works to 1800 4 bohtosa
- Correspondence 2 bohtosa
- Designs and plans 2 bohtosa
- Early works to 1600 2 bohtosa
- Electronic journals 2 bohtosa
- Exhibitions 2 bohtosa
- Illustrations 2 bohtosa
- Index 2 bohtosa
- Indexes 2 bohtosa
- Pictorial works 2 bohtosa
- Sources 2 bohtosa
- Statistics 2 bohtosa
- Translations into English 2 bohtosa
- guide books 2 bohtosa
- indexes 2 bohtosa
- Encyclopedia 1 bohtosa