Classification
140 - Specific philosophical schools
3
370 - Education
700 - The arts; fine & decorative arts
770 - Photography, photographs & computer art
333 - Economics of land & energy
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
200 - Religion
1
330 - Economics
1
363 - Other social problems & services
1
410 - Linguistics
1
610 - Medicine & health
1
800 - Literature & rhetoric
1
900 - History & geography
1