Classification
170 - Ethics
340 - Law
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
10
320 - Political science
10
100 - Philosophy & psychology
7
330 - Economics
7
363 - Other social problems & services
6
600 - Technology
6
610 - Medicine & health
6
900 - History & geography
6
333 - Economics of land & energy
5
580 - Plants (Botany)
5
620 - Engineering & allied operations
5
576 - Genetics & evolution
4
200 - Religion
3
300 - Social sciences
3
380 - Commerce, communications & transportation
3
630 - Agriculture & related technologies
3
800 - Literature & rhetoric
3
120 - Epistemology, causation & humankind
2
530 - Physics
2
581 - Specific topics in natural history
2
658 - General management
2
720 - Architecture
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
361 - Social problems & social welfare in general
1
370 - Education
1
398 - Folklore
1
400 - Language
1
410 - Linguistics
1
551 - Geology, hydrology & meteorology
1