Classification
330 - Economics
333 - Economics of land & energy
414 - Phonology & phonetics
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
500 - Natural sciences & mathematics
3
600 - Technology
3
620 - Engineering & allied operations
3
320 - Political science
2
900 - History & geography
2
340 - Law
1
400 - Language
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
720 - Architecture
1