Classification
519 - Probabilities & applied mathematics
510 - Mathematics
31
515 - Analysis
18
500 - Natural sciences & mathematics
14
330 - Economics
13
658 - General management
9
000 - Computer science, information & general works
7
005 - Computer programming, programs & data
7
332 - Financial economics
6
331 - Labor economics
4
001 - Knowledge
3
300 - Social sciences
3
302 - Social interaction
3
380 - Commerce, communications & transportation
3
384 - Communications; telecommunication
3
610 - Medicine & health
3
620 - Engineering & allied operations
3
670 - Manufacturing
3
796 - Athletic & outdoor sports & games
3
004 - Data processing & computer science
2
006 - Special computer methods
2
153 - Mental processes & intelligence
2
381 - Commerce
2
025 - Library operations
1
158 - Applied psychology
1
310 - Collections of general statistics
1
338 - Production
1
362 - Social welfare problems & services
1
368 - Insurance
1
530 - Physics
1
621 - Applied physics
1
650 - Management & auxiliary services
1
665 - Industrial oils, fats, waxes & gases
1
745 - Decorative arts
1
808 - Rhetoric & collections of literature
1
910 - Geography & travel
1