We hold many historical and genealogical materials that may be useful for researching different ethnic groups. For genealogies and published works, try a keyword search for Irish genealogy, Italian Genealogy, Jewish Genealogy, etc. in the State Library's main catalog. For recommended links and materials, use the tag for the ethnic group of interest.
Also check the Finding Aid for Record Group 033: Works Progress Administration, Series 8, Ethnic Groups Survey and Record Group 010, Records of the Education Department, Series 19, Age Documentation for Minor's Work Permits, 1870-1930.
Information is also available about ship's passenger lists, naturalization records and census records.