Classification
580 - Plants (Botany)
5
306 - Culture & institutions
2
631 - Techniques, equipment & materials
2
001 - Knowledge
1
300 - Social sciences
1
301 - Sociology & anthropology
1
550 - Earth sciences
1
570 - Life sciences; biology
1
571 - Physiology & related subjects
1
579 - Microorganisms, fungi & algae
1
630 - Agriculture & related technologies
1
930 - History of ancient world to ca. 499
1