Classification
300 - Social sciences
658 - General management
330 - Economics
7
700 - The arts; fine & decorative arts
7
000 - Computer science, information & general works
4
100 - Philosophy & psychology
4
320 - Political science
4
370 - Education
4
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
340 - Law
3
380 - Commerce, communications & transportation
3
600 - Technology
3
900 - History & geography
3
363 - Other social problems & services
2
400 - Language
2
500 - Natural sciences & mathematics
2
530 - Physics
2
576 - Genetics & evolution
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
301 - Sociology & anthropology
1
410 - Linguistics
1
540 - Chemistry & allied sciences
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
1
791 - Public performances
1
800 - Literature & rhetoric
1