Source Information U.S., Select Crew Lists and Manifests, 1903-1962 [database on-line]. Lehi, UT, USA: Operations, Inc., 2013.
Original data:

Selected Crew List and Manifests. National Archives, Washington, D.C.

A full list of sources can be found here.

About U.S., Select Crew Lists and Manifests, 1903-1962

The captain or master of each vessel was required to submit crew lists to the Immigration and Naturalization Service (INS) upon arrival. This data collection contains crew arrival and departure lists for selected U.S. ports. In later years crews may have arrived by airplane rather than by ship. See the browse menu for the list of ports and years included in this database.

26 Jan 2023: Added 2,479,465 images and 141,549 new records from Florida, Indiana, Ohio and Texas,