Classification
000 - Computer science, information & general works
1
006 - Special computer methods
88
061 - Organizations in North America
7
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
170 - Ethics
2
330 - Economics
1
333 - Economics of land & energy
1
344 - Labor, social, education & cultural law
1
370 - Education
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
570 - Life sciences; biology
1
571 - Physiology & related subjects
19
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
600 - Technology
2
610 - Medicine & health
43
611 - Human anatomy, cytology & histology
9
612 - Human physiology
25
614 - Incidence & prevention of disease
1
615 - Pharmacology & therapeutics
6
616 - Diseases
384
617 - Surgery & related medical specialties
682
618 - Gynecology, obstetrics, pediatrics & geriatrics
10
620 - Engineering & allied operations
3
700 - The arts; fine & decorative arts
5
808 - Rhetoric & collections of literature
1
900 - History & geography
1