Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
2
380 - Commerce, communications & transportation
2
400 - Language
2
900 - History & geography
2
300 - Social sciences
1
600 - Technology
1
720 - Architecture
1
791 - Public performances
1
800 - Literature & rhetoric
1