Classification
000 - Computer science, information & general works
330 - Economics
380 - Commerce, communications & transportation
657 - Accounting
6
333 - Economics of land & energy
5
363 - Other social problems & services
5
140 - Specific philosophical schools
4
320 - Political science
4
600 - Technology
4
551 - Geology, hydrology & meteorology
3
700 - The arts; fine & decorative arts
3
370 - Education
2
576 - Genetics & evolution
2
581 - Specific topics in natural history
2
800 - Literature & rhetoric
2
900 - History & geography
2
414 - Phonology & phonetics
1
530 - Physics
1
580 - Plants (Botany)
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1