Classification
330 - Economics
500 - Natural sciences & mathematics
000 - Computer science, information & general works
4
333 - Economics of land & energy
3
700 - The arts; fine & decorative arts
3
530 - Physics
2
576 - Genetics & evolution
2
320 - Political science
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
600 - Technology
1
658 - General management
1
800 - Literature & rhetoric
1