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