• US-Ports of arrival, New York, Baltimore, New Orleans, Boston, Philadelphia etc.
• DAUSA - no online research

Research Center German Emigrants in the USA at the University of Oldenburg. The Research Center collects letters, diaries, memoirs and other biographical evidence of emigrants from Germany. It has at its disposal 1586 rolls of microfilms with passenger lists (19th century). These rolls from the National Archives, Washington D.C., are available to the public in the library of the Oldenburg University.
• German Emigrant Database (DAD, Deutsche Auswandererdatenbank) Bremerhaven - no online research

Database of passenger manifests of arrivals at US ports, between approx.1850 - 1892. Work in progress for the years 1904 onwards. No online research, Historical Museum / Morgensternmuseum in Bremerhaven
• Nationalarchiv in Washington
Immigrant and passenger arrivals

 
• Port of arrival: New York, Ellis Island
• American Family Immigration History Center Ellis Island - online database

Access to more than 22 million passengers and members of ships' crews who came through Ellis Island and the Port of New York from 1892 to 1924
• Castle Garden - online database

From 1855 to 1890, the Castle was America's first official immigration center. Database of information on 10 million immigrants from 1830 through 1892

• Passenger Lists

• IMMIGRANT SHIPS TRANSCRIBERS GUILD

"We are a group of volunteers dedicated to making the search for our ancestors immigration easier. We grew out of a need to find ships’ passenger lists right here, online.  ...  Although we have 7000 ships transcribed, it is a small number in the overall picture, there are thousands more to be done."
• CALIFORNIA BOUND 1848 - 1873 Ship Passenger Lists Wagon Train Lists Isthmus of Panama Passenger Information
"This site contains passenger lists for ship and wagon train passengers traveling to California between 1848 and 1873. The lists are transcribed from microfilm of the New York Daily Times, the New York Herald, the New Orleans Picayune, the Panama Star, the Panama Herald, and the Boston Daily Evening Transcript."
• http://www.theshipslist.com/

"TheShipsList was established to assist those seeking information on the vessels which brought their ancestors to their new home, be that the United States, Canada, Australia, or another part of the world. Some ships passenger lists, schedules, wreck data, and other information which is not readily available, has been collected, along with links to other sites of interest."
• The Palatine Project. Reconstructed Passenger Lists, 1683-1819

"The Palatine Project is an attempt using sources from German speaking countries as well as early colonial American sources to reconstruct the passenger lists of Germans who came to America in the first large wave of emigration in the 18th century."
• Ships' Palatine Passenger Lists: [1727-1775]

"These dates and ship names are from the book "Pennsylvania German Pioneers" by Ralph B. Strassburger and William J. Hinke, published in 1934 by the Pennsylvania German Society, Norristown, PA."