Classification
301 - Sociology & anthropology
300 - Social sciences
462
900 - History & geography
298
320 - Political science
164
700 - The arts; fine & decorative arts
138
200 - Religion
131
140 - Specific philosophical schools
111
100 - Philosophy & psychology
81
330 - Economics
66
610 - Medicine & health
61
780 - Music
60
304 - Factors affecting social behavior
55
400 - Language
48
363 - Other social problems & services
47
370 - Education
46
600 - Technology
44
340 - Law
43
333 - Economics of land & energy
37
380 - Commerce, communications & transportation
36
170 - Ethics
35
297 - Islam, Babism & Bahai Faith
28
800 - Literature & rhetoric
27
000 - Computer science, information & general works
26
576 - Genetics & evolution
25
410 - Linguistics
24
630 - Agriculture & related technologies
19
720 - Architecture
17
620 - Engineering & allied operations
16
581 - Specific topics in natural history
15
398 - Folklore
13
350 - Public administration & military science
11
160 - Logic
10
361 - Social problems & social welfare in general
8
530 - Physics
8
500 - Natural sciences & mathematics
6
364 - Criminology
5
540 - Chemistry & allied sciences
5
551 - Geology, hydrology & meteorology
4
770 - Photography, photographs & computer art
4
791 - Public performances
4
120 - Epistemology, causation & humankind
3
414 - Phonology & phonetics
3
580 - Plants (Botany)
3
615 - Pharmacology & therapeutics
3
658 - General management
3
296 - Judaism
2
520 - Astronomy & allied sciences
2
005 - Computer programming, programs & data
1
303 - Social processes
1
338 - Production
1
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