Classification
380 - Commerce, communications & transportation
658 - General management
300 - Social sciences
3
330 - Economics
3
700 - The arts; fine & decorative arts
3
000 - Computer science, information & general works
2
320 - Political science
2
340 - Law
2
370 - Education
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
303 - Social processes
1
384 - Communications; telecommunication
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1
600 - Technology
1
620 - Engineering & allied operations
1
780 - Music
1
791 - Public performances
1
900 - History & geography
1