Classification
100 - Philosophy & psychology
17
152 - Perception, movement, emotions & drives
12
158 - Applied psychology
4
900 - History & geography
4
300 - Social sciences
3
658 - General management
3
400 - Language
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
025 - Library operations
1
153 - Mental processes & intelligence
1
301 - Sociology & anthropology
1
303 - Social processes
1
320 - Political science
1
370 - Education
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
600 - Technology
1
610 - Medicine & health
1
800 - Literature & rhetoric
1