Classification
700 - The arts; fine & decorative arts
720 - Architecture
800 - Literature & rhetoric
900 - History & geography
15
600 - Technology
9
333 - Economics of land & energy
8
380 - Commerce, communications & transportation
8
620 - Engineering & allied operations
8
300 - Social sciences
7
363 - Other social problems & services
7
140 - Specific philosophical schools
6
610 - Medicine & health
6
000 - Computer science, information & general works
5
330 - Economics
4
576 - Genetics & evolution
4
301 - Sociology & anthropology
3
320 - Political science
3
340 - Law
3
580 - Plants (Botany)
3
170 - Ethics
2
200 - Religion
2
370 - Education
2
410 - Linguistics
2
500 - Natural sciences & mathematics
2
630 - Agriculture & related technologies
2
780 - Music
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
398 - Folklore
1