Classification
100 - Philosophy & psychology
2
120 - Epistemology, causation & humankind
370 - Education
400 - Language
333 - Economics of land & energy
1
520 - Astronomy & allied sciences
1
530 - Physics
1
576 - Genetics & evolution
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1
900 - History & geography
1