Classification
615 - Pharmacology & therapeutics
2,177
616 - Diseases
759
610 - Medicine & health
371
571 - Physiology & related subjects
258
612 - Human physiology
192
570 - Life sciences; biology
140
572 - Biochemistry
138
547 - Organic chemistry
134
700 - The arts; fine & decorative arts
90
580 - Plants (Botany)
85
500 - Natural sciences & mathematics
72
614 - Incidence & prevention of disease
72
617 - Surgery & related medical specialties
54
540 - Chemistry & allied sciences
49
333 - Economics of land & energy
45
579 - Microorganisms, fungi & algae
40
000 - Computer science, information & general works
39
660 - Chemical engineering
39
600 - Technology
34
140 - Specific philosophical schools
31
620 - Engineering & allied operations
31
664 - Food technology
28
363 - Other social problems & services
27
641 - Food & drink
27
613 - Personal health & safety
25
006 - Special computer methods
21
618 - Gynecology, obstetrics, pediatrics & geriatrics
21
380 - Commerce, communications & transportation
19
543 - Analytical chemistry
19
330 - Economics
18
541 - Physical chemistry
13
576 - Genetics & evolution
13
577 - Ecology
13
630 - Agriculture & related technologies
10
668 - Technology of other organic products
10
900 - History & geography
10
344 - Labor, social, education & cultural law
9
574 - [Unassigned]
9
611 - Human anatomy, cytology & histology
9
370 - Education
8
581 - Specific topics in natural history
7
636 - Animal husbandry
7
100 - Philosophy & psychology
6
301 - Sociology & anthropology
6
304 - Factors affecting social behavior
6
320 - Political science
6
353 - Specific fields of public administration
6
590 - Animals (Zoology)
5
599 - Mammals
5
628 - Sanitary & municipal engineering
5
more ...