Classification
616 - Diseases
28
610 - Medicine & health
12
617 - Surgery & related medical specialties
8
571 - Physiology & related subjects
5
570 - Life sciences; biology
4
158 - Applied psychology
3
333 - Economics of land & energy
3
370 - Education
3
800 - Literature & rhetoric
3
001 - Knowledge
2
005 - Computer programming, programs & data
2
006 - Special computer methods
2
140 - Specific philosophical schools
2
155 - Differential & developmental psychology
2
300 - Social sciences
2
304 - Factors affecting social behavior
2
330 - Economics
2
380 - Commerce, communications & transportation
2
400 - Language
2
500 - Natural sciences & mathematics
2
519 - Probabilities & applied mathematics
2
600 - Technology
2
612 - Human physiology
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
004 - Data processing & computer science
1
011 - Bibliographies
1
170 - Ethics
1
302 - Social interaction
1
338 - Production
1
340 - Law
1
362 - Social welfare problems & services
1
577 - Ecology
1
614 - Incidence & prevention of disease
1
615 - Pharmacology & therapeutics
1
909 - World history
1