Genre
- Electronic books 23.188 Treffer
- Handbooks, manuals, etc 1.170 Treffer
- Congresses 898 Treffer
- Case studies 554 Treffer
- Biography 426 Treffer
- Popular works 310 Treffer
- Examinations, questions, etc 158 Treffer
- Atlases 154 Treffer
- Statistics 124 Treffer
- Cross-cultural studies 90 Treffer
- Dictionaries 76 Treffer
- Problems, exercises, etc 72 Treffer
- Classification 60 Treffer
- Miscellanea 50 Treffer
- Outlines, syllabi, etc 48 Treffer
- Study guides 44 Treffer
- Early works to 1800 42 Treffer
- Anecdotes 34 Treffer
- Handbooks 34 Treffer
- Encyclopedias 32 Treffer
- Methods 32 Treffer
- Periodicals 32 Treffer
- Textbooks 32 Treffer
- Life skills guides 22 Treffer
- Statistics, Medical 22 Treffer
- Sources 20 Treffer
- Juvenile literature 18 Treffer
- Nurses' Instruction 18 Treffer
- Formulae, receipts, prescriptions 16 Treffer
- Bibliography 14 Treffer
- Examination Questions 14 Treffer
- Interviews 14 Treffer
- Laboratory manuals 14 Treffer
- Longitudinal studies 14 Treffer
- Terminology 12 Treffer
- Code numbers 10 Treffer
- Databases 10 Treffer
- Diaries 10 Treffer
- Correspondence 8 Treffer
- Identification 8 Treffer
- Maps 8 Treffer
- Recipes 8 Treffer
- Abstracts 6 Treffer
- Directories 6 Treffer
- Handbooks, manuals etc 6 Treffer
- Laboratory Manuals 6 Treffer
- Outlines 6 Treffer
- Patents 6 Treffer
- Personal narratives 6 Treffer
- Pictorial works 6 Treffer mehr …