Classification
000 - Computer science, information & general works
4
100 - Philosophy & psychology
8
140 - Specific philosophical schools
6
170 - Ethics
5
300 - Social sciences
50
301 - Sociology & anthropology
5
304 - Factors affecting social behavior
6
320 - Political science
49
330 - Economics
23
333 - Economics of land & energy
6
340 - Law
9
350 - Public administration & military science
3
360 - Social problems & services; associations
361 - Social problems & social welfare in general
119
363 - Other social problems & services
1
364 - Criminology
31
370 - Education
10
400 - Language
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
1
600 - Technology
5
610 - Medicine & health
15
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
9
900 - History & geography
6
920 - Biography, genealogy & insignia
1