Classification
140 - Specific philosophical schools
170 - Ethics
320 - Political science
340 - Law
600 - Technology
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
100 - Philosophy & psychology
1
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
361 - Social problems & social welfare in general
1
370 - Education
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
658 - General management
1