Classification
340 - Law
700 - The arts; fine & decorative arts
330 - Economics
8
333 - Economics of land & energy
8
000 - Computer science, information & general works
6
380 - Commerce, communications & transportation
5
320 - Political science
4
363 - Other social problems & services
4
580 - Plants (Botany)
4
551 - Geology, hydrology & meteorology
3
600 - Technology
3
610 - Medicine & health
3
140 - Specific philosophical schools
2
400 - Language
2
530 - Physics
2
576 - Genetics & evolution
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
900 - History & geography
2
301 - Sociology & anthropology
1
350 - Public administration & military science
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1