Classification
330 - Economics
2,235
320 - Political science
860
340 - Law
203
900 - History & geography
127
300 - Social sciences
82
332 - Financial economics
45
336 - Public finance
37
700 - The arts; fine & decorative arts
16
333 - Economics of land & energy
12
360 - Social problems & services; associations
11
820 - English & Old English literatures
11
339 - Macroeconomics & related topics
10
920 - Biography, genealogy & insignia
10
343 - Military, tax, trade & industrial law
8
380 - Commerce, communications & transportation
8
338 - Production
7
350 - Public administration & military science
7
000 - Computer science, information & general works
6
363 - Other social problems & services
5
576 - Genetics & evolution
5
658 - General management
5
250 - Christian orders & local church
4
600 - Technology
4
020 - Library & information sciences
3
500 - Natural sciences & mathematics
3
551 - Geology, hydrology & meteorology
3
800 - Literature & rhetoric
3
140 - Specific philosophical schools
2
230 - Christianity & Christian theology
2
240 - Christian moral & devotional theology
2
297 - Islam, Babism & Bahai Faith
2
352 - General considerations of public administration
2
630 - Agriculture & related technologies
2
004 - Data processing & computer science
1
010 - Bibliography
1
100 - Philosophy & psychology
1
153 - Mental processes & intelligence
1
200 - Religion
1
280 - Christian denominations & sects
1
303 - Social processes
1
304 - Factors affecting social behavior
1
305 - Social groups
1
327 - International relations
1
337 - International economics
1
355 - Military science
1
361 - Social problems & social welfare in general
1
368 - Insurance
1
370 - Education
1
410 - Linguistics
1
610 - Medicine & health
1
more ...