Classification
300 - Social sciences
320 - Political science
2
330 - Economics
340 - Law
2
380 - Commerce, communications & transportation
658 - General management
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
370 - Education
1
400 - Language
1
600 - Technology
1
620 - Engineering & allied operations
1
780 - Music
1
791 - Public performances
1
900 - History & geography
1