Classification
100 - Philosophy & psychology
200 - Religion
900 - History & geography
8
300 - Social sciences
2
610 - Medicine & health
2
800 - Literature & rhetoric
2
140 - Specific philosophical schools
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
330 - Economics
1
370 - Education
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
700 - The arts; fine & decorative arts
1