Classification
300 - Social sciences
340 - Law
320 - Political science
56
100 - Philosophy & psychology
27
900 - History & geography
25
304 - Factors affecting social behavior
8
140 - Specific philosophical schools
7
370 - Education
7
170 - Ethics
6
200 - Religion
6
330 - Economics
6
700 - The arts; fine & decorative arts
5
301 - Sociology & anthropology
4
600 - Technology
4
610 - Medicine & health
4
000 - Computer science, information & general works
3
333 - Economics of land & energy
3
363 - Other social problems & services
3
364 - Criminology
3
380 - Commerce, communications & transportation
3
576 - Genetics & evolution
3
620 - Engineering & allied operations
3
580 - Plants (Botany)
2
630 - Agriculture & related technologies
2
720 - Architecture
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
658 - General management
1
770 - Photography, photographs & computer art
1