Classification
800 - Literature & rhetoric
900 - History & geography
410 - Linguistics
21
700 - The arts; fine & decorative arts
18
100 - Philosophy & psychology
15
140 - Specific philosophical schools
15
320 - Political science
15
200 - Religion
14
300 - Social sciences
12
170 - Ethics
5
330 - Economics
5
340 - Law
5
370 - Education
5
400 - Language
5
301 - Sociology & anthropology
4
791 - Public performances
4
000 - Computer science, information & general works
3
398 - Folklore
3
600 - Technology
3
610 - Medicine & health
3
720 - Architecture
3
780 - Music
3
297 - Islam, Babism & Bahai Faith
2
363 - Other social problems & services
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
120 - Epistemology, causation & humankind
1
296 - Judaism
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1