Classification
500 - Natural sciences & mathematics
580 - Plants (Botany)
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
3
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
170 - Ethics
1
200 - Religion
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1
612 - Human physiology
1
620 - Engineering & allied operations
1