Classification
100 - Philosophy & psychology
320 - Political science
464
900 - History & geography
456
610 - Medicine & health
366
700 - The arts; fine & decorative arts
312
200 - Religion
287
370 - Education
281
330 - Economics
280
170 - Ethics
279
300 - Social sciences
274
333 - Economics of land & energy
214
140 - Specific philosophical schools
213
500 - Natural sciences & mathematics
199
400 - Language
139
600 - Technology
139
340 - Law
138
000 - Computer science, information & general works
125
800 - Literature & rhetoric
114
363 - Other social problems & services
113
301 - Sociology & anthropology
111
530 - Physics
86
380 - Commerce, communications & transportation
81
120 - Epistemology, causation & humankind
78
410 - Linguistics
69
620 - Engineering & allied operations
59
576 - Genetics & evolution
58
780 - Music
58
297 - Islam, Babism & Bahai Faith
43
581 - Specific topics in natural history
42
612 - Human physiology
36
296 - Judaism
27
304 - Factors affecting social behavior
27
361 - Social problems & social welfare in general
27
551 - Geology, hydrology & meteorology
25
630 - Agriculture & related technologies
22
580 - Plants (Botany)
21
160 - Logic
18
720 - Architecture
16
658 - General management
15
414 - Phonology & phonetics
14
770 - Photography, photographs & computer art
9
364 - Criminology
8
520 - Astronomy & allied sciences
8
616 - Diseases
7
540 - Chemistry & allied sciences
6
920 - Biography, genealogy & insignia
6
350 - Public administration & military science
5
657 - Accounting
5
791 - Public performances
5
360 - Social problems & services; associations
4
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