Classification
320 - Political science
333 - Economics of land & energy
340 - Law
700 - The arts; fine & decorative arts
900 - History & geography
300 - Social sciences
2
330 - Economics
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
600 - Technology
1
658 - General management
1
770 - Photography, photographs & computer art
1