http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1. Birds -- 2. Energy and movement -- 3. Evolution and genetics -- 4. Fish and amphibians -- 5. Human body I -- 6. Human body II -- 7. Invertebrates -- 8. Mammals -- 9. Plant, algae, and fungi -- 10. Reptiles and dinosaurs -- 11. Rocks and minerals -- 12. Space explorations -- 13. Technology -- 14. Universe -- 15. Valcanoes and earthquakes -- 16. Weather and climate