Classification
900 - History & geography
6
100 - Philosophy & psychology
2
200 - Religion
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
170 - Ethics
1
230 - Christianity & Christian theology
1
241 - Christian ethics
1
340 - Law
1
370 - Education
1
610 - Medicine & health
1
800 - Literature & rhetoric
1