Classification
330 - Economics
3,479
320 - Political science
2,779
616 - Diseases
2,616
327 - International relations
1,455
340 - Law
1,449
341 - Law of nations
956
338 - Production
768
610 - Medicine & health
728
337 - International economics
676
658 - General management
660
333 - Economics of land & energy
447
370 - Education
408
900 - History & geography
372
363 - Other social problems & services
286
700 - The arts; fine & decorative arts
285
332 - Financial economics
265
303 - Social processes
251
343 - Military, tax, trade & industrial law
239
300 - Social sciences
237
617 - Surgery & related medical specialties
229
339 - Macroeconomics & related topics
221
345 - Criminal law
207
306 - Culture & institutions
205
380 - Commerce, communications & transportation
200
140 - Specific philosophical schools
196
600 - Technology
196
355 - Military science
187
344 - Labor, social, education & cultural law
178
304 - Factors affecting social behavior
161
000 - Computer science, information & general works
150
618 - Gynecology, obstetrics, pediatrics & geriatrics
145
620 - Engineering & allied operations
142
382 - International commerce
128
346 - Private law
120
615 - Pharmacology & therapeutics
119
100 - Philosophy & psychology
108
500 - Natural sciences & mathematics
105
378 - Higher education
98
657 - Accounting
92
342 - Constitutional & administrative law
91
381 - Commerce
88
571 - Physiology & related subjects
80
331 - Labor economics
79
301 - Sociology & anthropology
78
551 - Geology, hydrology & meteorology
73
612 - Human physiology
69
302 - Social interaction
63
170 - Ethics
60
371 - Schools & their activities; special education
60
364 - Criminology
59
more ...