Classification
616 - Diseases
148
330 - Economics
122
610 - Medicine & health
84
320 - Political science
62
617 - Surgery & related medical specialties
40
332 - Financial economics
29
658 - General management
29
571 - Physiology & related subjects
28
006 - Special computer methods
19
005 - Computer programming, programs & data
14
612 - Human physiology
12
700 - The arts; fine & decorative arts
12
000 - Computer science, information & general works
11
572 - Biochemistry
11
338 - Production
10
339 - Macroeconomics & related topics
10
618 - Gynecology, obstetrics, pediatrics & geriatrics
9
300 - Social sciences
7
620 - Engineering & allied operations
7
140 - Specific philosophical schools
6
331 - Labor economics
6
579 - Microorganisms, fungi & algae
6
001 - Knowledge
5
333 - Economics of land & energy
5
580 - Plants (Botany)
5
615 - Pharmacology & therapeutics
5
650 - Management & auxiliary services
5
158 - Applied psychology
4
302 - Social interaction
4
340 - Law
4
370 - Education
4
381 - Commerce
4
400 - Language
4
500 - Natural sciences & mathematics
4
519 - Probabilities & applied mathematics
4
600 - Technology
4
100 - Philosophy & psychology
3
570 - Life sciences; biology
3
613 - Personal health & safety
3
657 - Accounting
3
745 - Decorative arts
3
770 - Photography, photographs & computer art
3
011 - Bibliographies
2
150 - Psychology
2
170 - Ethics
2
304 - Factors affecting social behavior
2
306 - Culture & institutions
2
363 - Other social problems & services
2
374 - Adult education
2
384 - Communications; telecommunication
2
more ...