Classification
000 - Computer science, information & general works
3
140 - Specific philosophical schools
4
320 - Political science
3
333 - Economics of land & energy
2
340 - Law
3
363 - Other social problems & services
3
370 - Education
1
380 - Commerce, communications & transportation
5
500 - Natural sciences & mathematics
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
3
580 - Plants (Botany)
1
600 - Technology
4
610 - Medicine & health
4
612 - Human physiology
3
620 - Engineering & allied operations
4
700 - The arts; fine & decorative arts
720 - Architecture
3
900 - History & geography
3