Classification
320 - Political science
198
900 - History & geography
154
327 - International relations
140
330 - Economics
78
340 - Law
51
341 - Law of nations
43
940 - History of Europe
26
300 - Social sciences
23
333 - Economics of land & energy
23
700 - The arts; fine & decorative arts
21
658 - General management
20
800 - Literature & rhetoric
16
363 - Other social problems & services
15
200 - Religion
14
350 - Public administration & military science
14
380 - Commerce, communications & transportation
14
500 - Natural sciences & mathematics
14
338 - Production
13
140 - Specific philosophical schools
11
005 - Computer programming, programs & data
10
303 - Social processes
10
306 - Culture & institutions
10
909 - World history
10
355 - Military science
9
941 - British Isles
9
304 - Factors affecting social behavior
8
331 - Labor economics
8
951 - China & adjacent areas
8
302 - Social interaction
7
650 - Management & auxiliary services
7
973 - United States
7
004 - Data processing & computer science
6
100 - Philosophy & psychology
6
170 - Ethics
6
301 - Sociology & anthropology
6
305 - Social groups
6
943 - Central Europe; Germany
6
945 - Italian Peninsula & adjacent islands
6
000 - Computer science, information & general works
5
342 - Constitutional & administrative law
5
576 - Genetics & evolution
5
620 - Engineering & allied operations
5
949 - Other parts of Europe
5
006 - Special computer methods
4
109 - Historical & collected persons treatment
4
323 - Civil & political rights
4
345 - Criminal law
4
346 - Private law
4
370 - Education
4
509 - Historical, geographic & persons treatment
4
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