Classification
576 - Genetics & evolution
700 - The arts; fine & decorative arts
600 - Technology
2
000 - Computer science, information & general works
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
658 - General management
1