Class Q: Science
Subclasses
- Q – Science (General)
- QA – Mathematics
- QB – Astronomy
- QC – Physics
- QD – Chemistry
- QE – Geology
- QH – Natural history – Biology
- QK – Botany
- QL – Zoology
- QM – Human anatomy
- QP – Physiology
- QR – Microbiology
More Detailed Outline of Content
Library of Congress Classification Outline - Class Q (PDF)
Wikipedia Entry on Library of Congress Class Q
