Classification
000 - Computer science, information & general works
330 - Economics
363 - Other social problems & services
551 - Geology, hydrology & meteorology
333 - Economics of land & energy
10
700 - The arts; fine & decorative arts
8
630 - Agriculture & related technologies
7
320 - Political science
6
600 - Technology
6
380 - Commerce, communications & transportation
5
610 - Medicine & health
5
620 - Engineering & allied operations
4
581 - Specific topics in natural history
3
140 - Specific philosophical schools
2
580 - Plants (Botany)
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
340 - Law
1
370 - Education
1
500 - Natural sciences & mathematics
1
658 - General management
1
720 - Architecture
1