Classification
515 - Analysis
277
511 - General principles of mathematics
181
512 - Algebra
133
510 - Mathematics
122
519 - Probabilities & applied mathematics
78
514 - Topology
42
516 - Geometry
36
629 - Other branches of engineering
34
530 - Physics
23
003 - Systems
17
160 - Logic
17
531 - Classical mechanics; solid mechanics
14
621 - Applied physics
10
001 - Knowledge
9
501 - Philosophy & theory
8
517 - [Unassigned]
8
164 - [Unassigned]
7
620 - Engineering & allied operations
7
658 - General management
7
006 - Special computer methods
6
532 - Fluid mechanics; liquid mechanics
6
513 - Arithmetic
5
330 - Economics
4
539 - Modern physics
3
005 - Computer programming, programs & data
2
161 - Induction
2
570 - Life sciences; biology
2
004 - Data processing & computer science
1
150 - Psychology
1
153 - Mental processes & intelligence
1
166 - Syllogisms
1
201 - Religious mythology & social theology
1
301 - Sociology & anthropology
1
306 - Culture & institutions
1
337 - International economics
1
363 - Other social problems & services
1
368 - Insurance
1
388 - Transportation; ground transportation
1
401 - Philosophy & theory
1
410 - Linguistics
1
415 - Grammar
1
499 - Austronesian & other languages
1
518 - Numerical analysis
1
520 - Astronomy & allied sciences
1
523 - Specific celestial bodies & phenomena
1
526 - Mathematical geography
1
533 - Gas mechanics
1
536 - Heat
1
551 - Geology, hydrology & meteorology
1
571 - Physiology & related subjects
1
more ...