Classification
100 - Philosophy & psychology
300 - Social sciences
320 - Political science
340 - Law
900 - History & geography
12
301 - Sociology & anthropology
8
140 - Specific philosophical schools
6
200 - Religion
6
170 - Ethics
5
330 - Economics
5
370 - Education
5
700 - The arts; fine & decorative arts
5
000 - Computer science, information & general works
3
600 - Technology
3
304 - Factors affecting social behavior
2
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
2
363 - Other social problems & services
2
364 - Criminology
2
380 - Commerce, communications & transportation
2
530 - Physics
2
120 - Epistemology, causation & humankind
1
333 - Economics of land & energy
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
658 - General management
1
770 - Photography, photographs & computer art
1