Classification
200 - Religion
301 - Sociology & anthropology
380 - Commerce, communications & transportation
900 - History & geography
8
300 - Social sciences
6
320 - Political science
4
400 - Language
4
330 - Economics
3
340 - Law
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
297 - Islam, Babism & Bahai Faith
2
363 - Other social problems & services
2
370 - Education
2
600 - Technology
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
361 - Social problems & social welfare in general
1
398 - Folklore
1
410 - Linguistics
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1
800 - Literature & rhetoric
1