Classification
100 - Philosophy & psychology
900 - History & geography
1,035
320 - Political science
862
330 - Economics
526
370 - Education
495
700 - The arts; fine & decorative arts
483
340 - Law
462
200 - Religion
435
300 - Social sciences
432
610 - Medicine & health
393
170 - Ethics
385
140 - Specific philosophical schools
307
333 - Economics of land & energy
226
800 - Literature & rhetoric
213
500 - Natural sciences & mathematics
208
400 - Language
198
600 - Technology
163
301 - Sociology & anthropology
157
530 - Physics
153
000 - Computer science, information & general works
120
363 - Other social problems & services
108
380 - Commerce, communications & transportation
104
120 - Epistemology, causation & humankind
101
410 - Linguistics
100
780 - Music
84
576 - Genetics & evolution
80
620 - Engineering & allied operations
61
304 - Factors affecting social behavior
45
581 - Specific topics in natural history
42
297 - Islam, Babism & Bahai Faith
39
361 - Social problems & social welfare in general
39
720 - Architecture
37
612 - Human physiology
35
160 - Logic
32
296 - Judaism
29
551 - Geology, hydrology & meteorology
26
770 - Photography, photographs & computer art
24
630 - Agriculture & related technologies
22
580 - Plants (Botany)
19
658 - General management
19
791 - Public performances
19
336 - Public finance
15
414 - Phonology & phonetics
15
364 - Criminology
12
616 - Diseases
12
350 - Public administration & military science
11
155 - Differential & developmental psychology
10
657 - Accounting
9
111 - Ontology
8
193 - Philosophy of Germany & Austria
8
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