Classification
006 - Special computer methods
50
621 - Applied physics
26
670 - Manufacturing
17
620 - Engineering & allied operations
16
004 - Data processing & computer science
11
003 - Systems
8
616 - Diseases
6
005 - Computer programming, programs & data
5
519 - Probabilities & applied mathematics
5
516 - Geometry
4
571 - Physiology & related subjects
4
610 - Medicine & health
4
617 - Surgery & related medical specialties
4
518 - Numerical analysis
3
660 - Chemical engineering
3
363 - Other social problems & services
2
599 - Mammals
2
611 - Human anatomy, cytology & histology
2
612 - Human physiology
2
615 - Pharmacology & therapeutics
2
691 - Building materials
2
040 - [Unassigned]
1
371 - Schools & their activities; special education
1
510 - Mathematics
1
512 - Algebra
1
530 - Physics
1
543 - Analytical chemistry
1
551 - Geology, hydrology & meteorology
1
560 - Paleontology; paleozoology
1
570 - Life sciences; biology
1
572 - Biochemistry
1
624 - Civil engineering
1
628 - Sanitary & municipal engineering
1
629 - Other branches of engineering
1
658 - General management
1
690 - Buildings
1
720 - Architecture
1
910 - Geography & travel
1
930 - History of ancient world to ca. 499
1