Classification
000 - Computer science, information & general works
2
140 - Specific philosophical schools
380 - Commerce, communications & transportation
530 - Physics
700 - The arts; fine & decorative arts
300 - Social sciences
1
330 - Economics
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
1
658 - General management
1