Provides access to historical documents and photos, local narratives, oral histories, indexes and other resources in over 30,000 databases that span from the 1500s to the 2000s. The Library Edition of Ancestry.com has fewer personalized functions and options than the versions available to private subscribers.

Covers the investigations made by the Immigration and Naturalization Service (INS) during the massive immigration wave of 1880-1930. The files cover Asian immigration, especially Japanese and Chinese migration, to California, Hawaii, and other states; Mexican immigration to the U.S. from 1906-1930, and European immigration. There are also extensive files on the INS's regulation of prostitution and white slavery and on suppression of radical aliens.