Classification
100 - Philosophy & psychology
340 - Law
600 - Technology
300 - Social sciences
7
170 - Ethics
5
320 - Political science
5
620 - Engineering & allied operations
5
900 - History & geography
5
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
301 - Sociology & anthropology
3
330 - Economics
3
364 - Criminology
3
370 - Education
3
140 - Specific philosophical schools
2
200 - Religion
2
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
610 - Medicine & health
2
120 - Epistemology, causation & humankind
1
304 - Factors affecting social behavior
1
400 - Language
1
410 - Linguistics
1
658 - General management
1
780 - Music
1
800 - Literature & rhetoric
1