Classification
610 - Medicine & health
7
000 - Computer science, information & general works
4
140 - Specific philosophical schools
4
700 - The arts; fine & decorative arts
4
333 - Economics of land & energy
3
580 - Plants (Botany)
3
363 - Other social problems & services
2
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
570 - Life sciences; biology
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1
720 - Architecture
1