Classification
570 - Life sciences; biology
4
610 - Medicine & health
4
616 - Diseases
3
370 - Education
2
573 - Specific physiological systems in animals
2
000 - Computer science, information & general works
1
170 - Ethics
1
300 - Social sciences
1
330 - Economics
1
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
580 - Plants (Botany)
1
595 - Arthropods
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1