Classification
000 - Computer science, information & general works
4
100 - Philosophy & psychology
1
140 - Specific philosophical schools
5
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
2
320 - Political science
5
330 - Economics
10
333 - Economics of land & energy
10
340 - Law
2
363 - Other social problems & services
6
380 - Commerce, communications & transportation
3
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
4
580 - Plants (Botany)
8
581 - Specific topics in natural history
1
600 - Technology
12
610 - Medicine & health
620 - Engineering & allied operations
11
630 - Agriculture & related technologies
657 - Accounting
1
658 - General management
3
700 - The arts; fine & decorative arts
9
720 - Architecture
3
800 - Literature & rhetoric
2
900 - History & geography