Classification
000 - Computer science, information & general works
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
4
170 - Ethics
2
300 - Social sciences
4
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
320 - Political science
4
330 - Economics
2
333 - Economics of land & energy
5
363 - Other social problems & services
1
370 - Education
8
380 - Commerce, communications & transportation
2
400 - Language
2
410 - Linguistics
2
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
600 - Technology
3
610 - Medicine & health
2
620 - Engineering & allied operations
1
658 - General management
3
700 - The arts; fine & decorative arts
3
900 - History & geography
2