Classification
000 - Computer science, information & general works
576 - Genetics & evolution
600 - Technology
5
333 - Economics of land & energy
3
700 - The arts; fine & decorative arts
3
330 - Economics
2
363 - Other social problems & services
2
400 - Language
2
658 - General management
2
720 - Architecture
2
140 - Specific philosophical schools
1
370 - Education
1
380 - Commerce, communications & transportation
1
580 - Plants (Botany)
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
900 - History & geography
1