Classification
100 - Philosophy & psychology
900 - History & geography
131
200 - Religion
53
700 - The arts; fine & decorative arts
38
800 - Literature & rhetoric
34
320 - Political science
32
300 - Social sciences
28
530 - Physics
20
170 - Ethics
14
140 - Specific philosophical schools
13
000 - Computer science, information & general works
11
301 - Sociology & anthropology
11
340 - Law
10
297 - Islam, Babism & Bahai Faith
9
330 - Economics
9
400 - Language
8
120 - Epistemology, causation & humankind
7
410 - Linguistics
7
780 - Music
7
363 - Other social problems & services
5
600 - Technology
5
296 - Judaism
4
720 - Architecture
4
576 - Genetics & evolution
3
610 - Medicine & health
3
160 - Logic
2
193 - Philosophy of Germany & Austria
2
333 - Economics of land & energy
2
370 - Education
2
581 - Specific topics in natural history
2
620 - Engineering & allied operations
2
770 - Photography, photographs & computer art
2
110 - Metaphysics
1
111 - Ontology
1
123 - Determinism & indeterminism
1
128 - Humankind
1
190 - Modern western philosophy
1
302 - Social interaction
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
590 - Animals (Zoology)
1
630 - Agriculture & related technologies
1
791 - Public performances
1
809 - History, description & criticism
1
838 - German miscellaneous writings
1
839 - Other Germanic literatures
1
872 - Latin dramatic poetry & drama
1
909 - World history
1
more ...