Classification
500 - Natural sciences & mathematics
610 - Medicine & health
000 - Computer science, information & general works
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
370 - Education
1
380 - Commerce, communications & transportation
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1