Classification
370 - Education
576 - Genetics & evolution
600 - Technology
900 - History & geography
620 - Engineering & allied operations
5
700 - The arts; fine & decorative arts
4
100 - Philosophy & psychology
3
300 - Social sciences
3
301 - Sociology & anthropology
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
330 - Economics
2
333 - Economics of land & energy
2
530 - Physics
2
780 - Music
2
320 - Political science
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
610 - Medicine & health
1
658 - General management
1
720 - Architecture
1