Classification
370 - Education
64
100 - Philosophy & psychology
63
700 - The arts; fine & decorative arts
11
333 - Economics of land & energy
9
400 - Language
5
500 - Natural sciences & mathematics
5
300 - Social sciences
4
410 - Linguistics
4
600 - Technology
4
610 - Medicine & health
4
900 - History & geography
4
140 - Specific philosophical schools
3
340 - Law
3
530 - Physics
3
800 - Literature & rhetoric
3
170 - Ethics
2
363 - Other social problems & services
2
000 - Computer science, information & general works
1
200 - Religion
1
301 - Sociology & anthropology
1
398 - Folklore
1
540 - Chemistry & allied sciences
1
620 - Engineering & allied operations
1