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