Classification
100 - Philosophy & psychology
630 - Agriculture & related technologies
600 - Technology
11
620 - Engineering & allied operations
11
320 - Political science
10
300 - Social sciences
7
330 - Economics
7
170 - Ethics
5
700 - The arts; fine & decorative arts
5
363 - Other social problems & services
4
610 - Medicine & health
4
900 - History & geography
4
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
000 - Computer science, information & general works
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
780 - Music
1