Classification
153 - Mental processes & intelligence
1
331 - Labor economics
2
363 - Other social problems & services
1
381 - Commerce
2
500 - Natural sciences & mathematics
35
510 - Mathematics
2
539 - Modern physics
1
620 - Engineering & allied operations
46
621 - Applied physics
2
658 - General management
5
660 - Chemical engineering
670 - Manufacturing
1
745 - Decorative arts
3