E 184 - E 185: American ethnic groups.
GF: Human ecology. Anthropogeography
GT: Manners and customs (General)
HA: Social science statistics.
HB: Economic Theory. Demography.
HM: Sociology (general and theoretical). Social psychology.
HN: Social history. Social problems. Social reform.
HQ: The family. Marriage. Women. Feminism.
HT: Communities. Classes. Races. Slavery.
HV: Social and public welfare. Substance abuse. Criminology.
HX: Socialism. Communism. Anarchism.
K: Legal issues
LC: Educational sociology.
RA: Social medicine.
Call numbers classify books by subject and can help you to locate additional resources. Browsing the shelf where you found one book can lead to finding others on the same subject.