Classification
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
900 - History & geography
530 - Physics
6
320 - Political science
4
170 - Ethics
2
340 - Law
2
400 - Language
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
700 - The arts; fine & decorative arts
2
920 - Biography, genealogy & insignia
2
000 - Computer science, information & general works
1
160 - Logic
1
370 - Education
1
520 - Astronomy & allied sciences
1
600 - Technology
1