Classification
000 - Computer science, information & general works
7
700 - The arts; fine & decorative arts
6
600 - Technology
5
333 - Economics of land & energy
4
330 - Economics
2
414 - Phonology & phonetics
2
576 - Genetics & evolution
2
620 - Engineering & allied operations
2
658 - General management
2
720 - Architecture
2
400 - Language
1
530 - Physics
1
610 - Medicine & health
1
900 - History & geography
1