Classification
000 - Computer science, information & general works
500 - Natural sciences & mathematics
551 - Geology, hydrology & meteorology
600 - Technology
620 - Engineering & allied operations
3
333 - Economics of land & energy
2
363 - Other social problems & services
2
530 - Physics
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
300 - Social sciences
1
320 - Political science
1
370 - Education
1
400 - Language
1
540 - Chemistry & allied sciences
1
550 - Earth sciences
1
580 - Plants (Botany)
1
720 - Architecture
1