Classification
380 - Commerce, communications & transportation
610 - Medicine & health
161
370 - Education
16
000 - Computer science, information & general works
8
576 - Genetics & evolution
8
363 - Other social problems & services
6
900 - History & geography
6
330 - Economics
5
616 - Diseases
5
140 - Specific philosophical schools
4
700 - The arts; fine & decorative arts
4
100 - Philosophy & psychology
3
170 - Ethics
3
340 - Law
3
362 - Social welfare problems & services
3
580 - Plants (Botany)
3
612 - Human physiology
3
620 - Engineering & allied operations
3
304 - Factors affecting social behavior
2
400 - Language
2
540 - Chemistry & allied sciences
2
600 - Technology
2
614 - Incidence & prevention of disease
2
658 - General management
2
001 - Knowledge
1
261 - Social theology
1
394 - General customs
1
500 - Natural sciences & mathematics
1
501 - Philosophy & theory
1
551 - Geology, hydrology & meteorology
1
573 - Specific physiological systems in animals
1
613 - Personal health & safety
1