Classification
006 - Special computer methods
745 - Decorative arts
959
331 - Labor economics
851
302 - Social interaction
779
500 - Natural sciences & mathematics
774
658 - General management
675
003 - Systems
502
770 - Photography, photographs & computer art
447
620 - Engineering & allied operations
335
330 - Economics
304
384 - Communications; telecommunication
254
381 - Commerce
203
791 - Public performances
130
777 - [Unassigned]
111
778 - Fields & kinds of photography
111
000 - Computer science, information & general works
107
338 - Production
88
374 - Adult education
60
153 - Mental processes & intelligence
55
650 - Management & auxiliary services
53
004 - Data processing & computer science
51
510 - Mathematics
50
535 - Light & infrared & ultraviolet phenomena
49
617 - Surgery & related medical specialties
45
519 - Probabilities & applied mathematics
40
005 - Computer programming, programs & data
39
659 - Advertising & public relations
38
781 - General principles & musical forms
35
303 - Social processes
34
300 - Social sciences
29
741 - Drawing & drawings
29
001 - Knowledge
26
621 - Applied physics
26
700 - The arts; fine & decorative arts
26
670 - Manufacturing
19
740 - Drawing & decorative arts
18
380 - Commerce, communications & transportation
16
332 - Financial economics
15
158 - Applied psychology
14
600 - Technology
13
011 - Bibliographies
11
530 - Physics
11
618 - Gynecology, obstetrics, pediatrics & geriatrics
11
771 - Techniques, equipment & materials
10
547 - Organic chemistry
9
629 - Other branches of engineering
8
364 - Criminology
7
155 - Differential & developmental psychology
6
368 - Insurance
6
616 - Diseases
6
more ...