Classification
800 - Literature & rhetoric
363 - Other social problems & services
8
000 - Computer science, information & general works
6
610 - Medicine & health
6
700 - The arts; fine & decorative arts
6
330 - Economics
5
320 - Political science
4
333 - Economics of land & energy
4
551 - Geology, hydrology & meteorology
4
140 - Specific philosophical schools
3
600 - Technology
3
380 - Commerce, communications & transportation
2
630 - Agriculture & related technologies
2
170 - Ethics
1
340 - Law
1
370 - Education
1
500 - Natural sciences & mathematics
1
620 - Engineering & allied operations
1
658 - General management
1
900 - History & geography
1