Classification
516 - Geometry
46
515 - Analysis
44
006 - Special computer methods
10
519 - Probabilities & applied mathematics
9
620 - Engineering & allied operations
9
510 - Mathematics
8
514 - Topology
5
600 - Technology
5
900 - History & geography
5
000 - Computer science, information & general works
3
001 - Knowledge
3
512 - Algebra
3
530 - Physics
3
580 - Plants (Botany)
3
700 - The arts; fine & decorative arts
3
003 - Systems
2
300 - Social sciences
2
621 - Applied physics
2
670 - Manufacturing
2
140 - Specific philosophical schools
1
330 - Economics
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
531 - Classical mechanics; solid mechanics
1
532 - Fluid mechanics; liquid mechanics
1
539 - Modern physics
1
570 - Life sciences; biology
1
610 - Medicine & health
1
658 - General management
1
660 - Chemical engineering
1