Classification
140 - Specific philosophical schools
500 - Natural sciences & mathematics
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
3
600 - Technology
2
300 - Social sciences
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
400 - Language
1
580 - Plants (Botany)
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
658 - General management
1
780 - Music
1
800 - Literature & rhetoric
1