Classification
100 - Philosophy & psychology
333 - Economics of land & energy
700 - The arts; fine & decorative arts
370 - Education
28
610 - Medicine & health
21
363 - Other social problems & services
19
330 - Economics
18
900 - History & geography
18
140 - Specific philosophical schools
16
320 - Political science
16
600 - Technology
13
000 - Computer science, information & general works
11
620 - Engineering & allied operations
11
200 - Religion
9
400 - Language
9
300 - Social sciences
8
800 - Literature & rhetoric
8
380 - Commerce, communications & transportation
7
170 - Ethics
6
340 - Law
6
410 - Linguistics
6
500 - Natural sciences & mathematics
6
580 - Plants (Botany)
5
630 - Agriculture & related technologies
5
551 - Geology, hydrology & meteorology
4
576 - Genetics & evolution
4
581 - Specific topics in natural history
4
780 - Music
4
120 - Epistemology, causation & humankind
3
301 - Sociology & anthropology
3
414 - Phonology & phonetics
2
540 - Chemistry & allied sciences
2
612 - Human physiology
2
658 - General management
2
720 - Architecture
2
770 - Photography, photographs & computer art
2
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
520 - Astronomy & allied sciences
1
530 - Physics
1
791 - Public performances
1