Classification
800 - Literature & rhetoric
900 - History & geography
424
410 - Linguistics
132
700 - The arts; fine & decorative arts
83
140 - Specific philosophical schools
42
100 - Philosophy & psychology
33
320 - Political science
30
300 - Social sciences
28
400 - Language
27
200 - Religion
26
340 - Law
16
600 - Technology
10
170 - Ethics
9
330 - Economics
9
370 - Education
9
000 - Computer science, information & general works
8
720 - Architecture
7
301 - Sociology & anthropology
6
380 - Commerce, communications & transportation
6
620 - Engineering & allied operations
6
304 - Factors affecting social behavior
5
363 - Other social problems & services
5
610 - Medicine & health
5
791 - Public performances
5
540 - Chemistry & allied sciences
4
780 - Music
4
297 - Islam, Babism & Bahai Faith
3
398 - Folklore
3
576 - Genetics & evolution
3
296 - Judaism
2
333 - Economics of land & energy
2
551 - Geology, hydrology & meteorology
2
630 - Agriculture & related technologies
2
770 - Photography, photographs & computer art
2
120 - Epistemology, causation & humankind
1
500 - Natural sciences & mathematics
1
530 - Physics
1
581 - Specific topics in natural history
1
880 - Hellenic literatures; classical Greek
1