Classification
320 - Political science
363 - Other social problems & services
700 - The arts; fine & decorative arts
720 - Architecture
380 - Commerce, communications & transportation
5
600 - Technology
5
900 - History & geography
5
140 - Specific philosophical schools
4
330 - Economics
3
333 - Economics of land & energy
3
340 - Law
3
370 - Education
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
610 - Medicine & health
3
620 - Engineering & allied operations
3
551 - Geology, hydrology & meteorology
2
000 - Computer science, information & general works
1