Columbia subject headings:
Harvard subject headings:
Cloppenburg (Germany : Landkreis)--Emigration and immigration--History.
Cloppenburg (Germany : Landkreis)--Genealogy.
Cloppenburg (Germany : Landkreis)--Registers.
Cloppenburg (Germany)--Emigration and immigration--History.
Cloppenburg (Germany)--Genealogy.
Cloppenburg (Germany)--Registers.
German Americans--Genealogy
United States--Emigration and immigration--History
Princeton subject headings:
Cloppenburg (Germany : Landkreis)--Emigration and immigration--History.
Cloppenburg (Germany : Landkreis)--Genealogy.
Cloppenburg (Germany : Landkreis)--Registers.
Cloppenburg (Germany)--Emigration and immigration--History.
Cloppenburg (Germany)--Genealogy.
Cloppenburg (Germany)--Registers.
German Americans--Genealogy.
United States--Emigration and immigration--History.