Classification
658 - General management
2,817
338 - Production
1,513
330 - Economics
1,482
300 - Social sciences
504
302 - Social interaction
461
620 - Engineering & allied operations
343
333 - Economics of land & energy
309
600 - Technology
294
000 - Computer science, information & general works
286
650 - Management & auxiliary services
237
320 - Political science
227
500 - Natural sciences & mathematics
218
670 - Manufacturing
209
700 - The arts; fine & decorative arts
200
610 - Medicine & health
179
363 - Other social problems & services
166
621 - Applied physics
164
331 - Labor economics
156
153 - Mental processes & intelligence
151
004 - Data processing & computer science
148
332 - Financial economics
140
384 - Communications; telecommunication
136
370 - Education
125
380 - Commerce, communications & transportation
119
900 - History & geography
115
005 - Computer programming, programs & data
104
381 - Commerce
102
303 - Social processes
99
006 - Special computer methods
88
140 - Specific philosophical schools
84
158 - Applied psychology
80
630 - Agriculture & related technologies
76
629 - Other branches of engineering
73
304 - Factors affecting social behavior
53
540 - Chemistry & allied sciences
51
551 - Geology, hydrology & meteorology
46
160 - Logic
43
547 - Organic chemistry
41
660 - Chemical engineering
41
657 - Accounting
39
580 - Plants (Botany)
38
340 - Law
36
745 - Decorative arts
35
001 - Knowledge
33
100 - Philosophy & psychology
33
720 - Architecture
31
576 - Genetics & evolution
30
615 - Pharmacology & therapeutics
29
628 - Sanitary & municipal engineering
29
668 - Technology of other organic products
29
more ...