Classification
006 - Special computer methods
749
658 - General management
745
330 - Economics
628
004 - Data processing & computer science
415
616 - Diseases
408
610 - Medicine & health
397
005 - Computer programming, programs & data
391
370 - Education
338
300 - Social sciences
300
302 - Social interaction
279
100 - Philosophy & psychology
256
150 - Psychology
256
612 - Human physiology
230
158 - Applied psychology
207
700 - The arts; fine & decorative arts
204
155 - Differential & developmental psychology
195
900 - History & geography
186
000 - Computer science, information & general works
170
306 - Culture & institutions
166
320 - Political science
166
650 - Management & auxiliary services
159
331 - Labor economics
158
500 - Natural sciences & mathematics
157
153 - Mental processes & intelligence
156
620 - Engineering & allied operations
143
152 - Perception, movement, emotions & drives
132
333 - Economics of land & energy
132
621 - Applied physics
123
380 - Commerce, communications & transportation
120
140 - Specific philosophical schools
117
301 - Sociology & anthropology
109
600 - Technology
105
384 - Communications; telecommunication
100
363 - Other social problems & services
92
304 - Factors affecting social behavior
91
305 - Social groups
86
338 - Production
86
381 - Commerce
80
170 - Ethics
78
670 - Manufacturing
77
400 - Language
74
332 - Financial economics
71
800 - Literature & rhetoric
67
371 - Schools & their activities; special education
65
303 - Social processes
64
618 - Gynecology, obstetrics, pediatrics & geriatrics
53
340 - Law
52
613 - Personal health & safety
50
745 - Decorative arts
50
200 - Religion
49
more ...