Classification
000 - Computer science, information & general works
4
140 - Specific philosophical schools
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
330 - Economics
333 - Economics of land & energy
5
336 - Public finance
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
380 - Commerce, communications & transportation
3
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
1
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
600 - Technology
610 - Medicine & health
3
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
658 - General management
700 - The arts; fine & decorative arts
3
720 - Architecture
1
800 - Literature & rhetoric
1
900 - History & geography
2