Classification
000 - Computer science, information & general works
330 - Economics
6
380 - Commerce, communications & transportation
657 - Accounting
333 - Economics of land & energy
4
363 - Other social problems & services
4
600 - Technology
4
140 - Specific philosophical schools
3
320 - Political science
3
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
370 - Education
1
530 - Physics
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1
900 - History & geography
1