Classification
320 - Political science
330 - Economics
370 - Education
620 - Engineering & allied operations
600 - Technology
10
900 - History & geography
9
333 - Economics of land & energy
7
700 - The arts; fine & decorative arts
6
000 - Computer science, information & general works
4
300 - Social sciences
4
363 - Other social problems & services
4
100 - Philosophy & psychology
3
380 - Commerce, communications & transportation
3
630 - Agriculture & related technologies
3
140 - Specific philosophical schools
2
340 - Law
2
400 - Language
2
610 - Medicine & health
2
658 - General management
2
780 - Music
2
170 - Ethics
1
301 - Sociology & anthropology
1
410 - Linguistics
1
530 - Physics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
657 - Accounting
1
720 - Architecture
1