Classification
658 - General management
700 - The arts; fine & decorative arts
330 - Economics
8
600 - Technology
7
333 - Economics of land & energy
5
000 - Computer science, information & general works
3
140 - Specific philosophical schools
3
363 - Other social problems & services
3
610 - Medicine & health
3
620 - Engineering & allied operations
3
900 - History & geography
3
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
100 - Philosophy & psychology
1
200 - Religion
1
520 - Astronomy & allied sciences
1
630 - Agriculture & related technologies
1
720 - Architecture
1
800 - Literature & rhetoric
1