Classification
658 - General management
330 - Economics
318
005 - Computer programming, programs & data
163
338 - Production
156
331 - Labor economics
154
000 - Computer science, information & general works
132
381 - Commerce
107
500 - Natural sciences & mathematics
107
302 - Social interaction
99
300 - Social sciences
86
745 - Decorative arts
83
384 - Communications; telecommunication
71
332 - Financial economics
60
670 - Manufacturing
56
650 - Management & auxiliary services
53
004 - Data processing & computer science
49
374 - Adult education
43
620 - Engineering & allied operations
43
006 - Special computer methods
38
380 - Commerce, communications & transportation
35
158 - Applied psychology
29
659 - Advertising & public relations
28
740 - Drawing & decorative arts
27
741 - Drawing & drawings
27
001 - Knowledge
26
153 - Mental processes & intelligence
24
368 - Insurance
14
303 - Social processes
11
600 - Technology
10
621 - Applied physics
10
700 - The arts; fine & decorative arts
10
519 - Probabilities & applied mathematics
9
510 - Mathematics
6
657 - Accounting
6
808 - Rhetoric & collections of literature
6
364 - Criminology
4
610 - Medicine & health
4
025 - Library operations
3
170 - Ethics
3
304 - Factors affecting social behavior
3
371 - Schools & their activities; special education
3
770 - Photography, photographs & computer art
3
792 - Stage presentations
3
011 - Bibliographies
2
152 - Perception, movement, emotions & drives
2
155 - Differential & developmental psychology
2
333 - Economics of land & energy
2
339 - Macroeconomics & related topics
2
363 - Other social problems & services
2
370 - Education
2
more ...