Classification
616 - Diseases
8
300 - Social sciences
5
515 - Analysis
5
500 - Natural sciences & mathematics
4
501 - Philosophy & theory
3
512 - Algebra
3
519 - Probabilities & applied mathematics
3
530 - Physics
3
541 - Physical chemistry
3
005 - Computer programming, programs & data
2
301 - Sociology & anthropology
2
520 - Astronomy & allied sciences
2
531 - Classical mechanics; solid mechanics
2
551 - Geology, hydrology & meteorology
2
571 - Physiology & related subjects
2
610 - Medicine & health
2
612 - Human physiology
2
001 - Knowledge
1
004 - Data processing & computer science
1
100 - Philosophy & psychology
1
110 - Metaphysics
1
150 - Psychology
1
155 - Differential & developmental psychology
1
190 - Modern western philosophy
1
320 - Political science
1
338 - Production
1
342 - Constitutional & administrative law
1
371 - Schools & their activities; special education
1
510 - Mathematics
1
511 - General principles of mathematics
1
617 - Surgery & related medical specialties
1
620 - Engineering & allied operations
1