Classification
370 - Education
610 - Medicine & health
62
700 - The arts; fine & decorative arts
49
330 - Economics
47
320 - Political science
45
333 - Economics of land & energy
34
100 - Philosophy & psychology
29
140 - Specific philosophical schools
27
900 - History & geography
26
000 - Computer science, information & general works
24
300 - Social sciences
22
363 - Other social problems & services
20
380 - Commerce, communications & transportation
18
600 - Technology
17
400 - Language
15
200 - Religion
12
800 - Literature & rhetoric
12
361 - Social problems & social welfare in general
8
580 - Plants (Botany)
8
304 - Factors affecting social behavior
7
170 - Ethics
6
500 - Natural sciences & mathematics
6
620 - Engineering & allied operations
6
780 - Music
6
301 - Sociology & anthropology
5
410 - Linguistics
5
340 - Law
4
576 - Genetics & evolution
3
551 - Geology, hydrology & meteorology
2
581 - Specific topics in natural history
2
630 - Agriculture & related technologies
2
657 - Accounting
2
720 - Architecture
2
120 - Epistemology, causation & humankind
1
305 - Social groups
1
371 - Schools & their activities; special education
1
520 - Astronomy & allied sciences
1
530 - Physics
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
658 - General management
1
770 - Photography, photographs & computer art
1