Classification
100 - Philosophy & psychology
900 - History & geography
610
320 - Political science
545
370 - Education
455
300 - Social sciences
433
200 - Religion
395
700 - The arts; fine & decorative arts
375
170 - Ethics
328
330 - Economics
300
610 - Medicine & health
285
140 - Specific philosophical schools
226
333 - Economics of land & energy
224
500 - Natural sciences & mathematics
220
400 - Language
193
340 - Law
185
800 - Literature & rhetoric
162
600 - Technology
156
301 - Sociology & anthropology
139
000 - Computer science, information & general works
133
363 - Other social problems & services
114
120 - Epistemology, causation & humankind
108
530 - Physics
100
410 - Linguistics
93
380 - Commerce, communications & transportation
92
780 - Music
70
576 - Genetics & evolution
66
620 - Engineering & allied operations
56
297 - Islam, Babism & Bahai Faith
48
304 - Factors affecting social behavior
43
361 - Social problems & social welfare in general
37
581 - Specific topics in natural history
35
720 - Architecture
30
612 - Human physiology
24
296 - Judaism
23
551 - Geology, hydrology & meteorology
22
160 - Logic
20
580 - Plants (Botany)
18
658 - General management
18
630 - Agriculture & related technologies
16
336 - Public finance
15
414 - Phonology & phonetics
14
770 - Photography, photographs & computer art
13
364 - Criminology
12
360 - Social problems & services; associations
10
350 - Public administration & military science
9
540 - Chemistry & allied sciences
9
520 - Astronomy & allied sciences
8
657 - Accounting
7
920 - Biography, genealogy & insignia
7
791 - Public performances
6
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