Classification
700 - The arts; fine & decorative arts
791 - Public performances
900 - History & geography
4
576 - Genetics & evolution
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
301 - Sociology & anthropology
1
320 - Political science
1
330 - Economics
1
340 - Law
1
380 - Commerce, communications & transportation
1
400 - Language
1
600 - Technology
1
800 - Literature & rhetoric
1