Family Search The Largest genealogy organization in the world. Free services online based at the Family History Library in Salt Lake City, Utah.
Immigration to the United States 1789-1930 A collection of historical materials from Harvard's libraries, archives, and museums that documents voluntary immigration to the United States.
Minnesota Historical Society The Minnesota Historical Society has a variety of resources to help you learn about your family's history including birth and death indexes, immigration resources, and the library catalog.