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