Classification
000 - Computer science, information & general works
370 - Education
400 - Language
610 - Medicine & health
700 - The arts; fine & decorative arts
6
600 - Technology
5
380 - Commerce, communications & transportation
3
140 - Specific philosophical schools
2
330 - Economics
2
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
658 - General management
2
720 - Architecture
2
300 - Social sciences
1
320 - Political science
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
530 - Physics
1
580 - Plants (Botany)
1
900 - History & geography
1