Classification
930 - History of ancient world to ca. 499
10
301 - Sociology & anthropology
6
576 - Genetics & evolution
6
305 - Social groups
3
570 - Life sciences; biology
3
599 - Mammals
3
612 - Human physiology
3
304 - Factors affecting social behavior
2
590 - Animals (Zoology)
2
614 - Incidence & prevention of disease
2
300 - Social sciences
1
303 - Social processes
1
307 - Communities
1
320 - Political science
1
327 - International relations
1
330 - Economics
1
417 - Dialectology & historical linguistics
1
571 - Physiology & related subjects
1
591 - Specific topics in natural history
1
596 - Chordates
1
613 - Personal health & safety
1
616 - Diseases
1