Classification
100 - Philosophy & psychology
330 - Economics
370 - Education
600 - Technology
700 - The arts; fine & decorative arts
620 - Engineering & allied operations
5
900 - History & geography
4
300 - Social sciences
3
333 - Economics of land & energy
3
610 - Medicine & health
3
320 - Political science
2
380 - Commerce, communications & transportation
2
400 - Language
2
658 - General management
2
780 - Music
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
340 - Law
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
720 - Architecture
1
791 - Public performances
1
800 - Literature & rhetoric
1