Something I just ran across. Rhonda Houston http://www.genealogienetz.de/misc/emig/gta-holdings.html Holding Libraries for Germans to America : Lists of Passengers Arriving at U.S. Ports 1850-1897, 1840s Series edited by Ira A. Glazier and P. William Filby. See also this general-purpose listing of libraries. http://www.libdex.com/