Classification
000 - Computer science, information & general works
2
380 - Commerce, communications & transportation
410 - Linguistics
500 - Natural sciences & mathematics
610 - Medicine & health
700 - The arts; fine & decorative arts
2
300 - Social sciences
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
576 - Genetics & evolution
1
600 - Technology
1
620 - Engineering & allied operations
1
900 - History & geography
1