Classification
200 - Religion
380 - Commerce, communications & transportation
900 - History & geography
6
100 - Philosophy & psychology
2
296 - Judaism
2
301 - Sociology & anthropology
2
320 - Political science
2
330 - Economics
2
576 - Genetics & evolution
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
398 - Folklore
1
400 - Language
1
600 - Technology
1
630 - Agriculture & related technologies
1
720 - Architecture
1