Classification
610 - Medicine & health
620 - Engineering & allied operations
7
600 - Technology
5
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
363 - Other social problems & services
2
530 - Physics
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
370 - Education
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
900 - History & geography
1