Classification
140 - Specific philosophical schools
340 - Law
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
14
363 - Other social problems & services
13
600 - Technology
11
620 - Engineering & allied operations
9
610 - Medicine & health
8
900 - History & geography
8
576 - Genetics & evolution
7
000 - Computer science, information & general works
6
333 - Economics of land & energy
6
720 - Architecture
6
320 - Political science
5
330 - Economics
5
170 - Ethics
4
400 - Language
4
580 - Plants (Botany)
4
300 - Social sciences
3
500 - Natural sciences & mathematics
3
800 - Literature & rhetoric
3
200 - Religion
2
370 - Education
2
630 - Agriculture & related technologies
2
100 - Philosophy & psychology
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
410 - Linguistics
1
540 - Chemistry & allied sciences
1