Classification
384 - Communications; telecommunication
658 - General management
96
330 - Economics
79
331 - Labor economics
73
620 - Engineering & allied operations
63
500 - Natural sciences & mathematics
50
621 - Applied physics
50
380 - Commerce, communications & transportation
40
302 - Social interaction
37
004 - Data processing & computer science
33
300 - Social sciences
32
303 - Social processes
27
338 - Production
26
005 - Computer programming, programs & data
23
381 - Commerce
19
374 - Adult education
17
006 - Special computer methods
10
000 - Computer science, information & general works
9
650 - Management & auxiliary services
8
670 - Manufacturing
8
153 - Mental processes & intelligence
6
651 - Office services
6
745 - Decorative arts
6
791 - Public performances
6
158 - Applied psychology
5
659 - Advertising & public relations
5
808 - Rhetoric & collections of literature
5
070 - News media, journalism & publishing
2
332 - Financial economics
2
395 - Etiquette (Manners)
2
510 - Mathematics
2
777 - [Unassigned]
2
001 - Knowledge
1
011 - Bibliographies
1
150 - Psychology
1
177 - Ethics of social relations
1
304 - Factors affecting social behavior
1
305 - Social groups
1
342 - Constitutional & administrative law
1
343 - Military, tax, trade & industrial law
1
347 - Civil procedure & courts
1
352 - General considerations of public administration
1
353 - Specific fields of public administration
1
362 - Social welfare problems & services
1
371 - Schools & their activities; special education
1
427 - English language variations
1
519 - Probabilities & applied mathematics
1
572 - Biochemistry
1
623 - Military & nautical engineering
1
770 - Photography, photographs & computer art
1
more ...