If you're not sure exactly what you're looking for, you may find it useful to browse the shelves at the following call number locations:
E 184 - E 185: American ethnic groups.
HA: Social science statistics.
HB: Economic Theory. Demography.
HM 1001-1281: 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 1-9960: Social pathology; Criminology, including:
HV 5001-5840: Drugs & alcohol
HV 6001-7220.5: Criminology
HV 7231-9960: Criminal justice administration
HX Socialism. Communism. Anarchism.
K: Legal issues.
LC: Educational sociology.
RA: Social medicine.