Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
410 - Linguistics
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
170 - Ethics
1
200 - Religion
1
333 - Economics of land & energy
1
400 - Language
1
500 - Natural sciences & mathematics
1
900 - History & geography
1