Classification
000 - Computer science, information & general works
576 - Genetics & evolution
333 - Economics of land & energy
4
500 - Natural sciences & mathematics
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
330 - Economics
2
380 - Commerce, communications & transportation
2
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
900 - History & geography
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
170 - Ethics
1
340 - Law
1
363 - Other social problems & services
1
400 - Language
1
410 - Linguistics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
612 - Human physiology
1