Classification
001 - Knowledge
1
003 - Systems
33
004 - Data processing & computer science
142
005 - Computer programming, programs & data
178
006 - Special computer methods
2,159
020 - Library & information sciences
1
025 - Library operations
9
160 - Logic
2
300 - Social sciences
1
301 - Sociology & anthropology
1
302 - Social interaction
1
303 - Social processes
3
306 - Culture & institutions
1
320 - Political science
2
338 - Production
2
340 - Law
1
370 - Education
3
410 - Linguistics
6
418 - Standard usage & applied linguistics
1
501 - Philosophy & theory
7
511 - General principles of mathematics
13
512 - Algebra
3
516 - Geometry
2
519 - Probabilities & applied mathematics
1
530 - Physics
1
570 - Life sciences; biology
4
571 - Physiology & related subjects
1
610 - Medicine & health
7
612 - Human physiology
4
616 - Diseases
1
617 - Surgery & related medical specialties
2
620 - Engineering & allied operations
3
621 - Applied physics
8
629 - Other branches of engineering
16
650 - Management & auxiliary services
2
658 - General management
2
808 - Rhetoric & collections of literature
2