Classification
170 - Ethics
340 - Law
610 - Medicine & health
100 - Philosophy & psychology
11
140 - Specific philosophical schools
8
300 - Social sciences
6
700 - The arts; fine & decorative arts
6
363 - Other social problems & services
5
580 - Plants (Botany)
4
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
900 - History & geography
4
200 - Religion
3
320 - Political science
3
330 - Economics
3
333 - Economics of land & energy
3
600 - Technology
3
800 - Literature & rhetoric
3
370 - Education
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
720 - Architecture
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
1
364 - Criminology
1
500 - Natural sciences & mathematics
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
658 - General management
1