Classification
380 - Commerce, communications & transportation
610 - Medicine & health
116
370 - Education
15
576 - Genetics & evolution
6
000 - Computer science, information & general works
5
330 - Economics
4
363 - Other social problems & services
4
700 - The arts; fine & decorative arts
4
362 - Social welfare problems & services
3
616 - Diseases
3
620 - Engineering & allied operations
3
140 - Specific philosophical schools
2
540 - Chemistry & allied sciences
2
612 - Human physiology
2
658 - General management
2
001 - Knowledge
1
100 - Philosophy & psychology
1
261 - Social theology
1
304 - Factors affecting social behavior
1
394 - General customs
1
400 - Language
1
500 - Natural sciences & mathematics
1
501 - Philosophy & theory
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
900 - History & geography
1