Classification
700 - The arts; fine & decorative arts
900 - History & geography
166
320 - Political science
81
100 - Philosophy & psychology
79
300 - Social sciences
74
363 - Other social problems & services
69
800 - Literature & rhetoric
66
140 - Specific philosophical schools
54
400 - Language
54
370 - Education
50
333 - Economics of land & energy
47
600 - Technology
47
330 - Economics
46
200 - Religion
41
610 - Medicine & health
40
780 - Music
38
000 - Computer science, information & general works
35
410 - Linguistics
34
340 - Law
33
620 - Engineering & allied operations
32
720 - Architecture
28
304 - Factors affecting social behavior
27
380 - Commerce, communications & transportation
26
301 - Sociology & anthropology
25
170 - Ethics
21
530 - Physics
13
500 - Natural sciences & mathematics
12
630 - Agriculture & related technologies
12
551 - Geology, hydrology & meteorology
11
581 - Specific topics in natural history
11
580 - Plants (Botany)
10
297 - Islam, Babism & Bahai Faith
9
770 - Photography, photographs & computer art
9
576 - Genetics & evolution
7
361 - Social problems & social welfare in general
6
120 - Epistemology, causation & humankind
5
414 - Phonology & phonetics
5
540 - Chemistry & allied sciences
5
612 - Human physiology
4
658 - General management
4
791 - Public performances
4
398 - Folklore
3
520 - Astronomy & allied sciences
3
615 - Pharmacology & therapeutics
3
006 - Special computer methods
2
160 - Logic
2
364 - Criminology
2
550 - Earth sciences
2
590 - Animals (Zoology)
2
001 - Knowledge
1
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