Classification
920 - Biography, genealogy & insignia
900 - History & geography
4
400 - Language
2
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
320 - Political science
1
340 - Law
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
370 - Education
1
398 - Folklore
1
410 - Linguistics
1