If you want to visit the library to look for more books, below are the Library of Congress call numbers for Sociology:
HM --> Sociology (General)
HN --> Social History and Conditions, Social Problems, Social Reform
HQ --> The Family, Marriage, and Women
HS --> Societies (Social Groups, Secret Societies)
HT --> Communities, Class and Race
HV --> Social Pathology, Social and Public Welfare, Criminology