Classification
000 - Computer science, information & general works
576 - Genetics & evolution
700 - The arts; fine & decorative arts
8
333 - Economics of land & energy
7
600 - Technology
7
330 - Economics
6
363 - Other social problems & services
5
380 - Commerce, communications & transportation
4
140 - Specific philosophical schools
3
320 - Political science
3
370 - Education
3
658 - General management
3
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
657 - Accounting
2
900 - History & geography
2
297 - Islam, Babism & Bahai Faith
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
720 - Architecture
1