Classification
658 - General management
381 - Commerce
509
330 - Economics
284
302 - Social interaction
221
659 - Advertising & public relations
181
331 - Labor economics
141
006 - Special computer methods
122
338 - Production
71
500 - Natural sciences & mathematics
52
745 - Decorative arts
52
300 - Social sciences
47
670 - Manufacturing
41
000 - Computer science, information & general works
37
384 - Communications; telecommunication
26
650 - Management & auxiliary services
20
158 - Applied psychology
17
025 - Library operations
15
380 - Commerce, communications & transportation
13
519 - Probabilities & applied mathematics
9
001 - Knowledge
5
005 - Computer programming, programs & data
5
303 - Social processes
4
004 - Data processing & computer science
3
011 - Bibliographies
3
155 - Differential & developmental psychology
3
620 - Engineering & allied operations
3
153 - Mental processes & intelligence
2
621 - Applied physics
2
070 - News media, journalism & publishing
1
140 - Specific philosophical schools
1
150 - Psychology
1
170 - Ethics
1
304 - Factors affecting social behavior
1
332 - Financial economics
1
333 - Economics of land & energy
1
510 - Mathematics
1
600 - Technology
1
629 - Other branches of engineering
1
651 - Office services
1
740 - Drawing & decorative arts
1
741 - Drawing & drawings
1
777 - [Unassigned]
1
780 - Music
1
781 - General principles & musical forms
1
791 - Public performances
1