Classification
610 - Medicine & health
34
700 - The arts; fine & decorative arts
12
616 - Diseases
9
330 - Economics
7
300 - Social sciences
6
530 - Physics
6
340 - Law
5
004 - Data processing & computer science
4
510 - Mathematics
4
515 - Analysis
4
001 - Knowledge
3
301 - Sociology & anthropology
3
306 - Culture & institutions
3
519 - Probabilities & applied mathematics
3
534 - Sound & related vibrations
3
571 - Physiology & related subjects
3
621 - Applied physics
3
658 - General management
3
820 - English & Old English literatures
3
000 - Computer science, information & general works
2
005 - Computer programming, programs & data
2
100 - Philosophy & psychology
2
120 - Epistemology, causation & humankind
2
200 - Religion
2
296 - Judaism
2
304 - Factors affecting social behavior
2
320 - Political science
2
338 - Production
2
370 - Education
2
501 - Philosophy & theory
2
512 - Algebra
2
516 - Geometry
2
518 - Numerical analysis
2
600 - Technology
2
620 - Engineering & allied operations
2
800 - Literature & rhetoric
2
809 - History, description & criticism
2
900 - History & geography
2
003 - Systems
1
155 - Differential & developmental psychology
1
190 - Modern western philosophy
1
191 - Philosophy of United States & Canada
1
270 - History of Christianity & Christian church
1
297 - Islam, Babism & Bahai Faith
1
302 - Social interaction
1
303 - Social processes
1
305 - Social groups
1
325 - International migration & colonization
1
332 - Financial economics
1
345 - Criminal law
1
more ...