Classification
410 - Linguistics
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
140 - Specific philosophical schools
6
900 - History & geography
6
300 - Social sciences
3
400 - Language
3
380 - Commerce, communications & transportation
2
000 - Computer science, information & general works
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
340 - Law
1
500 - Natural sciences & mathematics
1
720 - Architecture
1