Classification
200 - Religion
100 - Philosophy & psychology
597
900 - History & geography
278
320 - Political science
168
300 - Social sciences
130
170 - Ethics
109
700 - The arts; fine & decorative arts
100
140 - Specific philosophical schools
76
340 - Law
64
301 - Sociology & anthropology
62
297 - Islam, Babism & Bahai Faith
52
530 - Physics
48
800 - Literature & rhetoric
47
330 - Economics
39
400 - Language
32
000 - Computer science, information & general works
31
296 - Judaism
30
120 - Epistemology, causation & humankind
28
363 - Other social problems & services
22
370 - Education
22
410 - Linguistics
22
600 - Technology
19
610 - Medicine & health
18
581 - Specific topics in natural history
14
333 - Economics of land & energy
13
780 - Music
11
576 - Genetics & evolution
10
380 - Commerce, communications & transportation
7
620 - Engineering & allied operations
7
160 - Logic
6
500 - Natural sciences & mathematics
6
230 - Christianity & Christian theology
4
231 - God
4
361 - Social problems & social welfare in general
4
398 - Folklore
4
720 - Architecture
4
261 - Social theology
3
580 - Plants (Botany)
3
630 - Agriculture & related technologies
3
121 - Epistemology
2
128 - Humankind
2
193 - Philosophy of Germany & Austria
2
210 - Philosophy & theory of religion
2
211 - Concepts of God
2
304 - Factors affecting social behavior
2
360 - Social problems & services; associations
2
364 - Criminology
2
520 - Astronomy & allied sciences
2
551 - Geology, hydrology & meteorology
2
770 - Photography, photographs & computer art
2
more ...