Classification
400 - Language
6
410 - Linguistics
5
700 - The arts; fine & decorative arts
5
000 - Computer science, information & general works
4
140 - Specific philosophical schools
2
370 - Education
2
800 - Literature & rhetoric
2
900 - History & geography
2
100 - Philosophy & psychology
1
320 - Political science
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
600 - Technology
1
620 - Engineering & allied operations
1