Classification
000 - Computer science, information & general works
330 - Economics
600 - Technology
620 - Engineering & allied operations
658 - General management
363 - Other social problems & services
8
700 - The arts; fine & decorative arts
8
900 - History & geography
8
333 - Economics of land & energy
7
140 - Specific philosophical schools
4
630 - Agriculture & related technologies
4
320 - Political science
3
380 - Commerce, communications & transportation
3
580 - Plants (Botany)
3
610 - Medicine & health
3
500 - Natural sciences & mathematics
2
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
720 - Architecture
2
336 - Public finance
1
340 - Law
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
780 - Music
1