Classification
320 - Political science
174
330 - Economics
98
900 - History & geography
85
306 - Culture & institutions
39
338 - Production
28
300 - Social sciences
26
700 - The arts; fine & decorative arts
26
327 - International relations
24
301 - Sociology & anthropology
22
340 - Law
20
305 - Social groups
18
951 - China & adjacent areas
18
333 - Economics of land & energy
17
200 - Religion
13
304 - Factors affecting social behavior
13
800 - Literature & rhetoric
12
324 - The political process
11
370 - Education
11
337 - International economics
10
331 - Labor economics
9
363 - Other social problems & services
9
943 - Central Europe; Germany
9
140 - Specific philosophical schools
8
364 - Criminology
8
500 - Natural sciences & mathematics
8
940 - History of Europe
8
302 - Social interaction
7
303 - Social processes
7
322 - Relation of state to organized groups
7
355 - Military science
7
600 - Technology
7
620 - Engineering & allied operations
7
630 - Agriculture & related technologies
7
658 - General management
7
909 - World history
7
100 - Philosophy & psychology
6
335 - Socialism & related systems
6
342 - Constitutional & administrative law
6
361 - Social problems & social welfare in general
6
380 - Commerce, communications & transportation
6
947 - Eastern Europe; Russia
6
576 - Genetics & evolution
5
610 - Medicine & health
5
949 - Other parts of Europe
5
959 - Southeast Asia
5
000 - Computer science, information & general works
4
297 - Islam, Babism & Bahai Faith
4
336 - Public finance
4
341 - Law of nations
4
501 - Philosophy & theory
4
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