Classification
140 - Specific philosophical schools
400 - Language
700 - The arts; fine & decorative arts
38
900 - History & geography
33
000 - Computer science, information & general works
28
600 - Technology
28
410 - Linguistics
26
380 - Commerce, communications & transportation
23
620 - Engineering & allied operations
20
363 - Other social problems & services
19
370 - Education
19
610 - Medicine & health
19
800 - Literature & rhetoric
16
100 - Philosophy & psychology
14
576 - Genetics & evolution
14
333 - Economics of land & energy
12
340 - Law
12
330 - Economics
11
320 - Political science
10
300 - Social sciences
9
170 - Ethics
8
200 - Religion
7
500 - Natural sciences & mathematics
7
301 - Sociology & anthropology
6
720 - Architecture
6
581 - Specific topics in natural history
5
414 - Phonology & phonetics
4
297 - Islam, Babism & Bahai Faith
3
304 - Factors affecting social behavior
3
530 - Physics
3
551 - Geology, hydrology & meteorology
3
780 - Music
3
120 - Epistemology, causation & humankind
2
540 - Chemistry & allied sciences
2
580 - Plants (Botany)
2
630 - Agriculture & related technologies
2
658 - General management
2
590 - Animals (Zoology)
1
615 - Pharmacology & therapeutics
1
791 - Public performances
1