Classification
512 - Algebra
127
516 - Geometry
30
514 - Topology
25
530 - Physics
14
510 - Mathematics
8
511 - General principles of mathematics
7
004 - Data processing & computer science
4
515 - Analysis
4
005 - Computer programming, programs & data
3
160 - Logic
3
003 - Systems
1
120 - Epistemology, causation & humankind
1
501 - Philosophy & theory
1
518 - Numerical analysis
1
570 - Life sciences; biology
1
612 - Human physiology
1
780 - Music
1