Classification
410 - Linguistics
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
900 - History & geography
30
140 - Specific philosophical schools
20
400 - Language
20
100 - Philosophy & psychology
7
300 - Social sciences
7
200 - Religion
6
301 - Sociology & anthropology
6
333 - Economics of land & energy
6
000 - Computer science, information & general works
5
320 - Political science
5
780 - Music
4
330 - Economics
3
363 - Other social problems & services
3
500 - Natural sciences & mathematics
3
370 - Education
2
380 - Commerce, communications & transportation
2
398 - Folklore
2
600 - Technology
2
720 - Architecture
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
340 - Law
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
658 - General management
1
770 - Photography, photographs & computer art
1