Classification
320 - Political science
732
100 - Philosophy & psychology
310
170 - Ethics
123
340 - Law
105
300 - Social sciences
91
900 - History & geography
86
330 - Economics
77
140 - Specific philosophical schools
48
200 - Religion
33
306 - Culture & institutions
30
700 - The arts; fine & decorative arts
30
301 - Sociology & anthropology
29
327 - International relations
29
120 - Epistemology, causation & humankind
17
370 - Education
16
600 - Technology
15
190 - Modern western philosophy
14
333 - Economics of land & energy
14
363 - Other social problems & services
14
576 - Genetics & evolution
14
338 - Production
13
501 - Philosophy & theory
13
304 - Factors affecting social behavior
12
361 - Social problems & social welfare in general
12
380 - Commerce, communications & transportation
12
530 - Physics
10
109 - Historical & collected persons treatment
9
142 - Critical philosophy
9
339 - Macroeconomics & related topics
9
341 - Law of nations
9
400 - Language
9
610 - Medicine & health
9
800 - Literature & rhetoric
9
174 - Occupational ethics
8
180 - Ancient, medieval & eastern philosophy
8
193 - Philosophy of Germany & Austria
8
210 - Philosophy & theory of religion
8
302 - Social interaction
8
323 - Civil & political rights
8
303 - Social processes
7
410 - Linguistics
7
581 - Specific topics in natural history
7
620 - Engineering & allied operations
7
172 - Political ethics
6
305 - Social groups
6
321 - Systems of governments & states
6
336 - Public finance
6
780 - Music
6
000 - Computer science, information & general works
5
551 - Geology, hydrology & meteorology
5
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