Classification
000 - Computer science, information & general works
363 - Other social problems & services
700 - The arts; fine & decorative arts
18
330 - Economics
14
333 - Economics of land & energy
13
610 - Medicine & health
12
600 - Technology
11
320 - Political science
7
380 - Commerce, communications & transportation
7
580 - Plants (Botany)
7
500 - Natural sciences & mathematics
6
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
6
140 - Specific philosophical schools
5
581 - Specific topics in natural history
5
620 - Engineering & allied operations
5
340 - Law
4
370 - Education
4
900 - History & geography
4
630 - Agriculture & related technologies
3
658 - General management
3
100 - Philosophy & psychology
2
300 - Social sciences
2
304 - Factors affecting social behavior
2
540 - Chemistry & allied sciences
2
612 - Human physiology
2
200 - Religion
1
301 - Sociology & anthropology
1
400 - Language
1
410 - Linguistics
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
530 - Physics
1
800 - Literature & rhetoric
1