Classification
340 - Law
610 - Medicine & health
330 - Economics
10
700 - The arts; fine & decorative arts
9
320 - Political science
7
140 - Specific philosophical schools
6
170 - Ethics
6
363 - Other social problems & services
6
600 - Technology
5
000 - Computer science, information & general works
4
620 - Engineering & allied operations
4
100 - Philosophy & psychology
3
300 - Social sciences
3
333 - Economics of land & energy
3
551 - Geology, hydrology & meteorology
3
580 - Plants (Botany)
3
576 - Genetics & evolution
2
630 - Agriculture & related technologies
2
658 - General management
2
900 - History & geography
2
301 - Sociology & anthropology
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
800 - Literature & rhetoric
1