Classification
364 - Criminology
5
301 - Sociology & anthropology
3
340 - Law
3
306 - Culture & institutions
2
363 - Other social problems & services
2
791 - Public performances
2
305 - Social groups
1
307 - Communities
1
362 - Social welfare problems & services
1
371 - Schools & their activities; special education
1
388 - Transportation; ground transportation
1
546 - Inorganic chemistry
1
979 - Great Basin & Pacific Slope region
1