Classification
100 - Philosophy & psychology
900 - History & geography
1,171
320 - Political science
995
200 - Religion
667
300 - Social sciences
633
700 - The arts; fine & decorative arts
573
330 - Economics
536
370 - Education
534
340 - Law
497
170 - Ethics
448
610 - Medicine & health
447
140 - Specific philosophical schools
329
333 - Economics of land & energy
254
800 - Literature & rhetoric
249
400 - Language
237
500 - Natural sciences & mathematics
227
301 - Sociology & anthropology
203
600 - Technology
189
530 - Physics
169
000 - Computer science, information & general works
157
363 - Other social problems & services
129
120 - Epistemology, causation & humankind
127
380 - Commerce, communications & transportation
114
410 - Linguistics
112
780 - Music
93
576 - Genetics & evolution
90
297 - Islam, Babism & Bahai Faith
66
620 - Engineering & allied operations
64
304 - Factors affecting social behavior
53
581 - Specific topics in natural history
49
361 - Social problems & social welfare in general
48
160 - Logic
39
296 - Judaism
39
720 - Architecture
39
612 - Human physiology
36
551 - Geology, hydrology & meteorology
28
630 - Agriculture & related technologies
27
770 - Photography, photographs & computer art
25
580 - Plants (Botany)
22
658 - General management
21
364 - Criminology
17
414 - Phonology & phonetics
17
336 - Public finance
15
350 - Public administration & military science
12
616 - Diseases
12
155 - Differential & developmental psychology
10
360 - Social problems & services; associations
10
520 - Astronomy & allied sciences
9
540 - Chemistry & allied sciences
9
111 - Ontology
8
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