Classification
100 - Philosophy & psychology
900 - History & geography
3
140 - Specific philosophical schools
2
200 - Religion
2
370 - Education
2
000 - Computer science, information & general works
1
170 - Ethics
1
301 - Sociology & anthropology
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
581 - Specific topics in natural history
1
600 - Technology
1
700 - The arts; fine & decorative arts
1
770 - Photography, photographs & computer art
1
791 - Public performances
1