Classification
512 - Algebra
86
514 - Topology
25
516 - Geometry
16
515 - Analysis
6
004 - Data processing & computer science
5
510 - Mathematics
5
530 - Physics
3
511 - General principles of mathematics
2
340 - Law
1
519 - Probabilities & applied mathematics
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
620 - Engineering & allied operations
1
900 - History & geography
1