Classification
540 - Chemistry & allied sciences
000 - Computer science, information & general works
13
700 - The arts; fine & decorative arts
9
333 - Economics of land & energy
5
600 - Technology
4
620 - Engineering & allied operations
4
576 - Genetics & evolution
3
140 - Specific philosophical schools
1
363 - Other social problems & services
1
414 - Phonology & phonetics
1
530 - Physics
1
610 - Medicine & health
1
900 - History & geography
1