Classification
000 - Computer science, information & general works
2
530 - Physics
600 - Technology
610 - Medicine & health
2
620 - Engineering & allied operations
2
170 - Ethics
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
370 - Education
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1