Ellis Island Foundation, Inc. Find Ellis Island history, photo albums, conduct a passenger search, or read some family histories or those who passed through Ellis Island.
New York Public Library Digital Collection of Photographs relating to Ellis Island
Harvard University Library Open Collections Program: Immigration to the United States: 1789-1930 -- a rich resource containing links to travelers' diaries, letters, information regarding ethnic groups, attitudes about immigration, laws and legislation, and even a timeline.
University of Minnesota's Immigration History Research Center
Migration Information Source. "Working with a team of international correspondents, we chronicle global migration movements, provide perspectives on current migration debates, and offer the tools and data from numerous global organizations and governments needed to understand migration"
