Classification
300 - Social sciences
330 - Economics
600 - Technology
658 - General management
302 - Social interaction
4
500 - Natural sciences & mathematics
4
670 - Manufacturing
3
700 - The arts; fine & decorative arts
3
100 - Philosophy & psychology
2
338 - Production
2
370 - Education
2
576 - Genetics & evolution
2
620 - Engineering & allied operations
2
900 - History & geography
2
000 - Computer science, information & general works
1
006 - Special computer methods
1
320 - Political science
1
332 - Financial economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
400 - Language
1
530 - Physics
1
540 - Chemistry & allied sciences
1
720 - Architecture
1
780 - Music
1