Classification
000 - Computer science, information & general works
333 - Economics of land & energy
400 - Language
6
576 - Genetics & evolution
600 - Technology
4
330 - Economics
3
700 - The arts; fine & decorative arts
3
100 - Philosophy & psychology
2
410 - Linguistics
2
580 - Plants (Botany)
2
720 - Architecture
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
160 - Logic
1
170 - Ethics
1
340 - Law
1
370 - Education
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
658 - General management
1