Classification
340 - Law
576 - Genetics & evolution
600 - Technology
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
620 - Engineering & allied operations
5
700 - The arts; fine & decorative arts
5
900 - History & geography
5
140 - Specific philosophical schools
4
320 - Political science
4
330 - Economics
4
500 - Natural sciences & mathematics
4
000 - Computer science, information & general works
3
333 - Economics of land & energy
3
720 - Architecture
3
350 - Public administration & military science
1
400 - Language
1
530 - Physics
1