Classification
600 - Technology
621 - Applied physics
620 - Engineering & allied operations
8
331 - Labor economics
6
643 - Housing & household equipment
2
696 - Utilities
2
745 - Decorative arts
2
006 - Special computer methods
1
338 - Production
1
374 - Adult education
1
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1
629 - Other branches of engineering
1
658 - General management
1
670 - Manufacturing
1
681 - Precision instruments & other devices
1