Classification
616 - Diseases
1,043
570 - Life sciences; biology
967
610 - Medicine & health
707
571 - Physiology & related subjects
404
580 - Plants (Botany)
382
576 - Genetics & evolution
363
572 - Biochemistry
312
700 - The arts; fine & decorative arts
279
581 - Specific topics in natural history
268
000 - Computer science, information & general works
265
600 - Technology
244
333 - Economics of land & energy
242
660 - Chemical engineering
229
620 - Engineering & allied operations
217
579 - Microorganisms, fungi & algae
195
611 - Human anatomy, cytology & histology
187
599 - Mammals
176
630 - Agriculture & related technologies
158
612 - Human physiology
148
900 - History & geography
138
500 - Natural sciences & mathematics
135
363 - Other social problems & services
131
631 - Techniques, equipment & materials
131
140 - Specific philosophical schools
112
380 - Commerce, communications & transportation
90
615 - Pharmacology & therapeutics
90
330 - Economics
72
618 - Gynecology, obstetrics, pediatrics & geriatrics
56
551 - Geology, hydrology & meteorology
51
540 - Chemistry & allied sciences
45
577 - Ecology
42
590 - Animals (Zoology)
33
614 - Incidence & prevention of disease
31
617 - Surgery & related medical specialties
30
519 - Probabilities & applied mathematics
29
613 - Personal health & safety
26
720 - Architecture
26
170 - Ethics
25
304 - Factors affecting social behavior
25
340 - Law
25
370 - Education
22
658 - General management
22
664 - Food technology
22
414 - Phonology & phonetics
21
530 - Physics
21
344 - Labor, social, education & cultural law
19
515 - Analysis
19
301 - Sociology & anthropology
17
400 - Language
17
006 - Special computer methods
16
more ...