Classification
170 - Ethics
301 - Sociology & anthropology
37
100 - Philosophy & psychology
19
140 - Specific philosophical schools
16
300 - Social sciences
15
320 - Political science
14
900 - History & geography
11
200 - Religion
10
610 - Medicine & health
7
700 - The arts; fine & decorative arts
7
330 - Economics
6
340 - Law
6
370 - Education
5
333 - Economics of land & energy
4
581 - Specific topics in natural history
4
600 - Technology
4
000 - Computer science, information & general works
2
128 - Humankind
2
158 - Applied psychology
2
160 - Logic
2
363 - Other social problems & services
2
400 - Language
2
500 - Natural sciences & mathematics
2
120 - Epistemology, causation & humankind
1
230 - Christianity & Christian theology
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
410 - Linguistics
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1