Classification
600 - Technology
11
700 - The arts; fine & decorative arts
9
000 - Computer science, information & general works
6
333 - Economics of land & energy
5
620 - Engineering & allied operations
5
363 - Other social problems & services
3
610 - Medicine & health
3
900 - History & geography
3
370 - Education
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
140 - Specific philosophical schools
1
160 - Logic
1
330 - Economics
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
630 - Agriculture & related technologies
1
658 - General management
1
800 - Literature & rhetoric
1