Classification
300 - Social sciences
330 - Economics
380 - Commerce, communications & transportation
658 - General management
384 - Communications; telecommunication
113
302 - Social interaction
95
500 - Natural sciences & mathematics
59
670 - Manufacturing
58
331 - Labor economics
25
338 - Production
12
650 - Management & auxiliary services
9
381 - Commerce
8
153 - Mental processes & intelligence
7
808 - Rhetoric & collections of literature
5
158 - Applied psychology
4
150 - Psychology
3
620 - Engineering & allied operations
3
000 - Computer science, information & general works
2
006 - Special computer methods
2
155 - Differential & developmental psychology
2
320 - Political science
2
340 - Law
2
370 - Education
2
659 - Advertising & public relations
2
700 - The arts; fine & decorative arts
2
100 - Philosophy & psychology
1
152 - Perception, movement, emotions & drives
1
303 - Social processes
1
304 - Factors affecting social behavior
1
400 - Language
1
600 - Technology
1
780 - Music
1
791 - Public performances
1
900 - History & geography
1