Ancestry.com
http://www.Ancestry.com
Ancestry.com, New York, Passenger and Immigration Lists, 1820-1850 (Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2003.Original data - New York. Registers of Vessels Arriving at the Port of New York from Foreign Ports, 1789-1919. Washington, D.C.: National Archives and Records Administration. M237, roll) - New York, Passenger and Immigration Lists, 1820-1850