Classification
100 - Philosophy & psychology
1
300 - Social sciences
1
301 - Sociology & anthropology
1
320 - Political science
1
333 - Economics of land & energy
2
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
363 - Other social problems & services
1
364 - Criminology
1
370 - Education
2
380 - Commerce, communications & transportation
1
400 - Language
610 - Medicine & health
1
700 - The arts; fine & decorative arts
2
791 - Public performances
1
800 - Literature & rhetoric
2
900 - History & geography
1