Classification
000 - Computer science, information & general works
410 - Linguistics
330 - Economics
4
333 - Economics of land & energy
3
363 - Other social problems & services
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
320 - Political science
2
500 - Natural sciences & mathematics
2
600 - Technology
2
610 - Medicine & health
2
200 - Religion
1
340 - Law
1
380 - Commerce, communications & transportation
1
400 - Language
1
658 - General management
1