Classification
000 - Computer science, information & general works
363 - Other social problems & services
600 - Technology
720 - Architecture
900 - History & geography
620 - Engineering & allied operations
10
700 - The arts; fine & decorative arts
10
333 - Economics of land & energy
9
380 - Commerce, communications & transportation
9
330 - Economics
7
610 - Medicine & health
5
140 - Specific philosophical schools
4
370 - Education
3
551 - Geology, hydrology & meteorology
3
800 - Literature & rhetoric
3
400 - Language
2
576 - Genetics & evolution
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
170 - Ethics
1
320 - Political science
1
340 - Law
1
500 - Natural sciences & mathematics
1
580 - Plants (Botany)
1
630 - Agriculture & related technologies
1
657 - Accounting
1
658 - General management
1