Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
370 - Education
400 - Language
600 - Technology
6
900 - History & geography
4
380 - Commerce, communications & transportation
3
410 - Linguistics
3
700 - The arts; fine & decorative arts
3
363 - Other social problems & services
2
551 - Geology, hydrology & meteorology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
170 - Ethics
1
300 - Social sciences
1
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
658 - General management
1
720 - Architecture
1