Migrations - Did your ancestors ever move? Of course they did. Come to Migrations and submit your information about them. www.migrations.org
National Archives and Records Administration - Information on ship passenger arrival records held by NARA and how to access the records for genealogical research. www.archives.gov/research_room/genealogy/immigrant_arrivals/passenger_records.html
The Immigrant Ships Transcribers Guild - Firm that searches, copies, deciphers, and types passenger lists. Some passenger manifests posted on the web, from RootsWeb. Over 7,000 passengers added on a weekly basis. istg.rootsweb.com
American Family Immigration History Center - Searchable database of all immigrants who arrival at Ellis Island in New York harbor bewteen 1892 and 1924, plus information on the Wall of Honor, membership and visiting Ellis Island. www.ellisisland.org