Classification
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
170 - Ethics
200 - Religion
320 - Political science
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
300 - Social sciences
1
400 - Language
1
410 - Linguistics
1
530 - Physics
1
600 - Technology
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1