Classification
658 - General management
700 - The arts; fine & decorative arts
13
000 - Computer science, information & general works
12
380 - Commerce, communications & transportation
8
610 - Medicine & health
8
333 - Economics of land & energy
7
330 - Economics
6
500 - Natural sciences & mathematics
6
600 - Technology
6
363 - Other social problems & services
5
576 - Genetics & evolution
5
580 - Plants (Botany)
3
620 - Engineering & allied operations
3
900 - History & geography
3
400 - Language
2
720 - Architecture
2
140 - Specific philosophical schools
1
320 - Political science
1
370 - Education
1
551 - Geology, hydrology & meteorology
1
780 - Music
1