Classification
320 - Political science
330 - Economics
333 - Economics of land & energy
363 - Other social problems & services
800 - Literature & rhetoric
000 - Computer science, information & general works
4
380 - Commerce, communications & transportation
4
551 - Geology, hydrology & meteorology
4
700 - The arts; fine & decorative arts
4
410 - Linguistics
3
140 - Specific philosophical schools
2
576 - Genetics & evolution
2
600 - Technology
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
336 - Public finance
1
361 - Social problems & social welfare in general
1
400 - Language
1
580 - Plants (Botany)
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
658 - General management
1
900 - History & geography
1