Genre
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- Periodicals 738 results
- Biography 520 results
- Juvenile literature 517 results
- Problems, exercises, etc 300 results
- Textbooks 260 results
- Handbooks, manuals, etc 233 results
- Popular works 232 results
- Classification 197 results
- Laboratory manuals 170 results
- Identification 157 results
- Dictionaries 143 results
- Early works to 1800 143 results
- Pictorial works 130 results
- Encyclopedias 100 results
- Tables 100 results
- Miscellanea 95 results
- Atlases 82 results
- Case studies 51 results
- Nomenclature 47 results
- Maps 44 results
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- Anecdotes 35 results
- Bibliography 34 results
- Databases 31 results
- Catalogs 27 results
- Correspondence 27 results
- Observers' manuals 24 results
- Folklore 21 results
- Charts, diagrams, etc 19 results
- Terminology 19 results
- Outlines, syllabi, etc 17 results
- Abstracts 15 results
- Study guides 15 results
- Examinations, questions, etc 14 results
- History 12 results
- Interviews 12 results
- Photographs from space 12 results
- Sources 12 results
- Directories 10 results
- Guidebooks 10 results
- Pre-Linnean works 10 results
- Catalogs and collections 9 results
- Humor 9 results
- Juvenile fiction 9 results
- Quotations, maxims, etc 9 results
- Nomenclature (Popular) 8 results
- Outdoor books 8 results
- Indexes 7 results
- Amateurs' manuals 6 results more…