Classification
006 - Special computer methods
745 - Decorative arts
954
331 - Labor economics
849
302 - Social interaction
779
500 - Natural sciences & mathematics
765
770 - Photography, photographs & computer art
446
658 - General management
435
620 - Engineering & allied operations
332
330 - Economics
303
384 - Communications; telecommunication
252
381 - Commerce
201
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
58
153 - Mental processes & intelligence
55
510 - Mathematics
48
519 - Probabilities & applied mathematics
40
659 - Advertising & public relations
38
650 - Management & auxiliary services
36
781 - General principles & musical forms
35
004 - Data processing & computer science
34
005 - Computer programming, programs & data
31
303 - Social processes
31
300 - Social sciences
29
741 - Drawing & drawings
29
621 - Applied physics
26
001 - Knowledge
25
700 - The arts; fine & decorative arts
21
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
771 - Techniques, equipment & materials
10
629 - Other branches of engineering
8
364 - Criminology
7
368 - Insurance
6
155 - Differential & developmental psychology
4
025 - Library operations
2
343 - Military, tax, trade & industrial law
2
794 - Indoor games of skill
2
808 - Rhetoric & collections of literature
2
020 - Library & information sciences
1
028 - Reading & use of other information media
1
070 - News media, journalism & publishing
1
more ...