Classification
000 - Computer science, information & general works
330 - Economics
9
333 - Economics of land & energy
8
500 - Natural sciences & mathematics
4
600 - Technology
4
320 - Political science
3
530 - Physics
3
576 - Genetics & evolution
3
700 - The arts; fine & decorative arts
3
340 - Law
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
350 - Public administration & military science
1
610 - Medicine & health
1
800 - Literature & rhetoric
1
900 - History & geography
1