Classification
140 - Specific philosophical schools
100 - Philosophy & psychology
16
700 - The arts; fine & decorative arts
15
900 - History & geography
13
170 - Ethics
12
320 - Political science
8
800 - Literature & rhetoric
8
200 - Religion
7
120 - Epistemology, causation & humankind
6
610 - Medicine & health
6
000 - Computer science, information & general works
4
400 - Language
4
340 - Law
3
363 - Other social problems & services
3
530 - Physics
3
600 - Technology
3
780 - Music
3
300 - Social sciences
2
410 - Linguistics
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
581 - Specific topics in natural history
2
620 - Engineering & allied operations
2
128 - Humankind
1
297 - Islam, Babism & Bahai Faith
1
330 - Economics
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
630 - Agriculture & related technologies
1
770 - Photography, photographs & computer art
1