Classification
580 - Plants (Botany)
700 - The arts; fine & decorative arts
333 - Economics of land & energy
5
000 - Computer science, information & general works
3
340 - Law
2
363 - Other social problems & services
2
551 - Geology, hydrology & meteorology
2
600 - Technology
2
610 - Medicine & health
2
900 - History & geography
2
140 - Specific philosophical schools
1
330 - Economics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1