Classification
530 - Physics
16
510 - Mathematics
10
519 - Probabilities & applied mathematics
10
320 - Political science
5
330 - Economics
5
620 - Engineering & allied operations
5
621 - Applied physics
5
516 - Geometry
3
005 - Computer programming, programs & data
2
006 - Special computer methods
2
304 - Factors affecting social behavior
2
388 - Transportation; ground transportation
2
518 - Numerical analysis
2
658 - General management
2
000 - Computer science, information & general works
1
004 - Data processing & computer science
1
301 - Sociology & anthropology
1
331 - Labor economics
1
338 - Production
1
512 - Algebra
1
515 - Analysis
1
523 - Specific celestial bodies & phenomena
1
539 - Modern physics
1
541 - Physical chemistry
1
543 - Analytical chemistry
1
550 - Earth sciences
1
612 - Human physiology
1
629 - Other branches of engineering
1
630 - Agriculture & related technologies
1
670 - Manufacturing
1
910 - Geography & travel
1