Classification
400 - Language
6
576 - Genetics & evolution
410 - Linguistics
5
700 - The arts; fine & decorative arts
2
900 - History & geography
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
370 - Education
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
530 - Physics
1