Classification
400 - Language
410 - Linguistics
600 - Technology
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
7
620 - Engineering & allied operations
5
630 - Agriculture & related technologies
5
330 - Economics
3
100 - Philosophy & psychology
2
320 - Political science
2
333 - Economics of land & energy
2
370 - Education
2
576 - Genetics & evolution
2
900 - History & geography
2
140 - Specific philosophical schools
1
160 - Logic
1
300 - Social sciences
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
580 - Plants (Botany)
1
780 - Music
1