Classification
000 - Computer science, information & general works
363 - Other social problems & services
800 - Literature & rhetoric
700 - The arts; fine & decorative arts
5
500 - Natural sciences & mathematics
4
330 - Economics
2
333 - Economics of land & energy
2
551 - Geology, hydrology & meteorology
2
580 - Plants (Botany)
2
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
720 - Architecture
2
900 - History & geography
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
304 - Factors affecting social behavior
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1