Columbia subject headings:
Harvard subject headings:
German Americans--Genealogy
Germany--Emigration and immigration.
Immigrants--United States--Registers
Ships--United States--Passenger lists.
United States--Emigration and immigration.
Princeton subject headings:
German Americans--Genealogy.
Germany--Emigration and immigration.
Immigrants--United States--Registers.
Ships--United States--Passenger lists.
United States--Emigration and immigration.