Classification
100 - Philosophy & psychology
333 - Economics of land & energy
3
576 - Genetics & evolution
3
580 - Plants (Botany)
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
400 - Language
1
410 - Linguistics
1