Classification
330 - Economics
803
900 - History & geography
544
320 - Political science
408
658 - General management
364
300 - Social sciences
257
340 - Law
252
343 - Military, tax, trade & industrial law
247
370 - Education
193
338 - Production
188
100 - Philosophy & psychology
178
700 - The arts; fine & decorative arts
160
616 - Diseases
155
800 - Literature & rhetoric
151
306 - Culture & institutions
148
005 - Computer programming, programs & data
140
620 - Engineering & allied operations
136
301 - Sociology & anthropology
130
610 - Medicine & health
128
346 - Private law
118
600 - Technology
118
004 - Data processing & computer science
117
006 - Special computer methods
105
200 - Religion
105
333 - Economics of land & energy
101
380 - Commerce, communications & transportation
97
621 - Applied physics
93
500 - Natural sciences & mathematics
90
302 - Social interaction
86
305 - Social groups
79
170 - Ethics
78
331 - Labor economics
78
303 - Social processes
77
000 - Computer science, information & general works
74
140 - Specific philosophical schools
74
501 - Philosophy & theory
66
304 - Factors affecting social behavior
65
363 - Other social problems & services
63
510 - Mathematics
62
150 - Psychology
57
820 - English & Old English literatures
54
341 - Law of nations
53
327 - International relations
48
400 - Language
47
001 - Knowledge
46
155 - Differential & developmental psychology
46
297 - Islam, Babism & Bahai Faith
45
530 - Physics
45
612 - Human physiology
45
332 - Financial economics
43
378 - Higher education
43
more ...