Classification
000 - Computer science, information & general works
5
700 - The arts; fine & decorative arts
5
600 - Technology
4
380 - Commerce, communications & transportation
3
900 - History & geography
2
140 - Specific philosophical schools
1
363 - Other social problems & services
1
580 - Plants (Botany)
1
620 - Engineering & allied operations
1
720 - Architecture
1