Classification
200 - Religion
530 - Physics
100 - Philosophy & psychology
46
900 - History & geography
13
170 - Ethics
9
320 - Political science
8
301 - Sociology & anthropology
6
700 - The arts; fine & decorative arts
6
120 - Epistemology, causation & humankind
5
140 - Specific philosophical schools
5
296 - Judaism
5
300 - Social sciences
4
297 - Islam, Babism & Bahai Faith
3
330 - Economics
3
400 - Language
3
581 - Specific topics in natural history
3
000 - Computer science, information & general works
2
363 - Other social problems & services
2
410 - Linguistics
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
620 - Engineering & allied operations
2
800 - Literature & rhetoric
2
110 - Metaphysics
1
160 - Logic
1
210 - Philosophy & theory of religion
1
211 - Concepts of God
1
230 - Christianity & Christian theology
1
231 - God
1
261 - Social theology
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
600 - Technology
1
610 - Medicine & health
1