Classification
000 - Computer science, information & general works
1
100 - Philosophy & psychology
140 - Specific philosophical schools
170 - Ethics
1
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
2
320 - Political science
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
400 - Language
1
410 - Linguistics
1
610 - Medicine & health
612 - Human physiology
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1