Classification
791 - Public performances
203
384 - Communications; telecommunication
199
620 - Engineering & allied operations
44
621 - Applied physics
42
900 - History & geography
42
700 - The arts; fine & decorative arts
39
302 - Social interaction
38
777 - [Unassigned]
27
330 - Economics
24
006 - Special computer methods
23
658 - General management
23
306 - Culture & institutions
21
380 - Commerce, communications & transportation
21
778 - Fields & kinds of photography
21
331 - Labor economics
20
320 - Political science
18
000 - Computer science, information & general works
14
808 - Rhetoric & collections of literature
14
070 - News media, journalism & publishing
13
333 - Economics of land & energy
13
600 - Technology
13
770 - Photography, photographs & computer art
12
800 - Literature & rhetoric
12
300 - Social sciences
11
781 - General principles & musical forms
10
338 - Production
8
792 - Stage presentations
8
809 - History, description & criticism
8
140 - Specific philosophical schools
7
305 - Social groups
7
100 - Philosophy & psychology
6
370 - Education
6
381 - Commerce
6
745 - Decorative arts
6
363 - Other social problems & services
5
500 - Natural sciences & mathematics
5
610 - Medicine & health
5
780 - Music
5
170 - Ethics
4
301 - Sociology & anthropology
4
400 - Language
4
801 - Philosophy & theory
4
200 - Religion
3
576 - Genetics & evolution
3
659 - Advertising & public relations
3
720 - Architecture
3
304 - Factors affecting social behavior
2
364 - Criminology
2
410 - Linguistics
2
418 - Standard usage & applied linguistics
2
more ...