These databases provide sociology-related statistics and data sets.
The NCJRS: National Criminal Justice Reference Service Abstracts Database indexes abstracts and full-text of journal articles, conference papers, books, and federal, state and local government reports in the field of criminology and criminal justice. The full-text materials are available in both HTML and PDF. 1970-present.
The Historical Statistics of the United States (HSUS) Millennial Edition Online provides data on social, behavioral, humanistic, and natural sciences including history, economics, government, finance, sociology, demography, education, law, natural resources, climate, religion, international migration, and trade - quantitative facts of American history. Data is available in HTML, PDF, and Excel.