Classification
300 - Social sciences
38
302 - Social interaction
330 - Economics
38
500 - Natural sciences & mathematics
38
620 - Engineering & allied operations
658 - General management
38
670 - Manufacturing
38
331 - Labor economics
5
384 - Communications; telecommunication
5
338 - Production
4
001 - Knowledge
2
158 - Applied psychology
2
510 - Mathematics
2
650 - Management & auxiliary services
2
745 - Decorative arts
2
153 - Mental processes & intelligence
1
368 - Insurance
1
380 - Commerce, communications & transportation
1
381 - Commerce
1
808 - Rhetoric & collections of literature
1