Classification
514 - Topology
269
512 - Algebra
131
516 - Geometry
95
510 - Mathematics
53
515 - Analysis
43
530 - Physics
19
511 - General principles of mathematics
17
006 - Special computer methods
9
519 - Probabilities & applied mathematics
8
004 - Data processing & computer science
6
003 - Systems
5
001 - Knowledge
4
005 - Computer programming, programs & data
4
300 - Social sciences
4
620 - Engineering & allied operations
4
000 - Computer science, information & general works
2
500 - Natural sciences & mathematics
2
513 - Arithmetic
2
600 - Technology
2
612 - Human physiology
2
621 - Applied physics
2
110 - Metaphysics
1
330 - Economics
1
331 - Labor economics
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
501 - Philosophy & theory
1
518 - Numerical analysis
1
540 - Chemistry & allied sciences
1
541 - Physical chemistry
1
570 - Life sciences; biology
1
571 - Physiology & related subjects
1
629 - Other branches of engineering
1
777 - [Unassigned]
1