Classification
000 - Computer science, information & general works
5
140 - Specific philosophical schools
9
170 - Ethics
2
300 - Social sciences
2
304 - Factors affecting social behavior
1
320 - Political science
5
330 - Economics
4
333 - Economics of land & energy
10
340 - Law
6
363 - Other social problems & services
370 - Education
1
380 - Commerce, communications & transportation
500 - Natural sciences & mathematics
3
530 - Physics
2
551 - Geology, hydrology & meteorology
3
576 - Genetics & evolution
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
600 - Technology
610 - Medicine & health
5
620 - Engineering & allied operations
10
630 - Agriculture & related technologies
3
650 - Management & auxiliary services
1
657 - Accounting
1
658 - General management
2
700 - The arts; fine & decorative arts
720 - Architecture
7
800 - Literature & rhetoric
2
900 - History & geography
10