Classification
820 - English & Old English literatures
812
330 - Economics
785
320 - Political science
653
340 - Law
408
336 - Public finance
220
341 - Law of nations
205
900 - History & geography
172
940 - History of Europe
114
333 - Economics of land & energy
86
300 - Social sciences
74
327 - International relations
57
970 - History of North America
55
343 - Military, tax, trade & industrial law
52
346 - Private law
48
380 - Commerce, communications & transportation
38
363 - Other social problems & services
32
140 - Specific philosophical schools
26
342 - Constitutional & administrative law
25
551 - Geology, hydrology & meteorology
25
700 - The arts; fine & decorative arts
25
337 - International economics
22
338 - Production
22
610 - Medicine & health
18
344 - Labor, social, education & cultural law
17
345 - Criminal law
17
500 - Natural sciences & mathematics
16
530 - Physics
16
910 - Geography & travel
16
332 - Financial economics
15
355 - Military science
15
304 - Factors affecting social behavior
14
576 - Genetics & evolution
14
620 - Engineering & allied operations
14
305 - Social groups
13
306 - Culture & institutions
13
382 - International commerce
13
550 - Earth sciences
13
630 - Agriculture & related technologies
13
650 - Management & auxiliary services
12
658 - General management
11
347 - Civil procedure & courts
10
370 - Education
10
600 - Technology
10
621 - Applied physics
10
800 - Literature & rhetoric
10
280 - Christian denominations & sects
8
323 - Civil & political rights
8
616 - Diseases
8
000 - Computer science, information & general works
7
001 - Knowledge
7
more ...