Classification
000 - Computer science, information & general works
1
100 - Philosophy & psychology
4
140 - Specific philosophical schools
2
300 - Social sciences
301 - Sociology & anthropology
1
320 - Political science
4
330 - Economics
4
333 - Economics of land & energy
2
340 - Law
2
363 - Other social problems & services
1
370 - Education
5
380 - Commerce, communications & transportation
4
400 - Language
6
410 - Linguistics
3
500 - Natural sciences & mathematics
2
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
600 - Technology
610 - Medicine & health
1
620 - Engineering & allied operations
630 - Agriculture & related technologies
2
658 - General management
1
700 - The arts; fine & decorative arts
3
780 - Music
4
900 - History & geography
5