Classification
800 - Literature & rhetoric
900 - History & geography
39
300 - Social sciences
13
700 - The arts; fine & decorative arts
13
000 - Computer science, information & general works
12
320 - Political science
9
363 - Other social problems & services
8
410 - Linguistics
7
610 - Medicine & health
7
333 - Economics of land & energy
6
100 - Philosophy & psychology
5
200 - Religion
5
370 - Education
5
551 - Geology, hydrology & meteorology
5
580 - Plants (Botany)
5
600 - Technology
5
380 - Commerce, communications & transportation
4
400 - Language
4
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
140 - Specific philosophical schools
3
330 - Economics
3
500 - Natural sciences & mathematics
3
720 - Architecture
3
170 - Ethics
2
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
2
340 - Law
2
530 - Physics
2
576 - Genetics & evolution
2
120 - Epistemology, causation & humankind
1
296 - Judaism
1
398 - Folklore
1