Classification
140 - Specific philosophical schools
610 - Medicine & health
6
000 - Computer science, information & general works
2
370 - Education
2
700 - The arts; fine & decorative arts
2
330 - Economics
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1
658 - General management
1