Classification
100 - Philosophy & psychology
140 - Specific philosophical schools
700 - The arts; fine & decorative arts
340 - Law
3
170 - Ethics
2
320 - Political science
2
333 - Economics of land & energy
2
370 - Education
2
400 - Language
2
120 - Epistemology, causation & humankind
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
600 - Technology
1
900 - History & geography
1