Classification
006 - Special computer methods
500 - Natural sciences & mathematics
423
745 - Decorative arts
319
331 - Labor economics
218
302 - Social interaction
124
620 - Engineering & allied operations
87
658 - General management
70
384 - Communications; telecommunication
58
330 - Economics
35
770 - Photography, photographs & computer art
23
153 - Mental processes & intelligence
20
005 - Computer programming, programs & data
18
003 - Systems
16
381 - Commerce
16
510 - Mathematics
15
519 - Probabilities & applied mathematics
13
374 - Adult education
12
338 - Production
11
004 - Data processing & computer science
10
741 - Drawing & drawings
8
000 - Computer science, information & general works
7
332 - Financial economics
5
659 - Advertising & public relations
5
791 - Public performances
5
781 - General principles & musical forms
4
001 - Knowledge
3
011 - Bibliographies
3
535 - Light & infrared & ultraviolet phenomena
3
600 - Technology
3
629 - Other branches of engineering
3
777 - [Unassigned]
3
778 - Fields & kinds of photography
3
300 - Social sciences
2
303 - Social processes
2
530 - Physics
2
740 - Drawing & decorative arts
2
020 - Library & information sciences
1
025 - Library operations
1
070 - News media, journalism & publishing
1
380 - Commerce, communications & transportation
1
621 - Applied physics
1
650 - Management & auxiliary services
1
651 - Office services
1
670 - Manufacturing
1
700 - The arts; fine & decorative arts
1
776 - Computer art (Digital art)
1
808 - Rhetoric & collections of literature
1