Classification
621 - Applied physics
004 - Data processing & computer science
63
620 - Engineering & allied operations
22
384 - Communications; telecommunication
4
658 - General management
3
745 - Decorative arts
3
338 - Production
2
532 - Fluid mechanics; liquid mechanics
2
535 - Light & infrared & ultraviolet phenomena
2
541 - Physical chemistry
2
333 - Economics of land & energy
1
591 - Specific topics in natural history
1