Classification
700 - The arts; fine & decorative arts
3
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
900 - History & geography
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1