Immigrant Ships Transcribers Guild is a firm that searches, copies, deciphers, and types passenger lists. 

Ellis Island Records is an archive with millions of records for information on individual Ellis Island passengers. Between 1892 and 1924, more than 22 million passengers and members of ships’ crews entered the United States through Ellis Island and the Port of New York.

Finding Passenger Lists 1820 to the 1940’s is a listing of indexes of passenger lists (also called immigration records or ship manifests) for ships that sailed to the United States from 1820 to the 1940s.