Classification
300 - Social sciences
320 - Political science
340 - Law
700 - The arts; fine & decorative arts
330 - Economics
7
658 - General management
4
900 - History & geography
4
100 - Philosophy & psychology
3
140 - Specific philosophical schools
3
333 - Economics of land & energy
2
370 - Education
2
380 - Commerce, communications & transportation
2
400 - Language
2
620 - Engineering & allied operations
2
000 - Computer science, information & general works
1
160 - Logic
1
337 - International economics
1
600 - Technology
1
630 - Agriculture & related technologies
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
1
791 - Public performances
1