Classification
900 - History & geography
68
800 - Literature & rhetoric
2
140 - Specific philosophical schools
1
200 - Religion
1
299 - Religions not provided for elsewhere
1
303 - Social processes
1
304 - Factors affecting social behavior
1
340 - Law
1
363 - Other social problems & services
1
400 - Language
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1
770 - Photography, photographs & computer art
1
780 - Music
1